Home / 103,533.18-155,145.51-53,546.52

Finding the Fourth Proportional to 103,533.18, 155,145.51 and 53,546.52

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Solution

The fourth proportional to 103,533.18, 155,145.51 and 53,546.52 is: 80,240.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,533.18 : 155,145.51 = 53,546.52 : x
  2. Step 2: Convert to fraction form
    103,533.18/155,145.51 = 53,546.52/x
  3. Step 3: Cross multiply
    103,533.18x = 155,145.51 × 53,546.52
  4. Step 4: Simplify right side
    103,533.18x = 8,307,502,154.13
  5. Step 5: Solve for x
    x = 8,307,502,154.13/103,533.18
  6. Step 6: Final answer
    x = 80,240.00

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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.