Home / 545,183.40-817,775.10-166,103.40

Finding the Fourth Proportional to 545,183.40, 817,775.10 and 166,103.40

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Solution

The fourth proportional to 545,183.40, 817,775.10 and 166,103.40 is: 249,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,183.40 : 817,775.10 = 166,103.40 : x
  2. Step 2: Convert to fraction form
    545,183.40/817,775.10 = 166,103.40/x
  3. Step 3: Cross multiply
    545,183.40x = 817,775.10 × 166,103.40
  4. Step 4: Simplify right side
    545,183.40x = 135,835,224,545.34
  5. Step 5: Solve for x
    x = 135,835,224,545.34/545,183.40
  6. Step 6: Final answer
    x = 249,155.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.