Home / 118,224.60-163,147.68-64,508.28

Finding the Fourth Proportional to 118,224.60, 163,147.68 and 64,508.28

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Solution

The fourth proportional to 118,224.60, 163,147.68 and 64,508.28 is: 89,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,224.60 : 163,147.68 = 64,508.28 : x
  2. Step 2: Convert to fraction form
    118,224.60/163,147.68 = 64,508.28/x
  3. Step 3: Cross multiply
    118,224.60x = 163,147.68 × 64,508.28
  4. Step 4: Simplify right side
    118,224.60x = 10,524,376,222.79
  5. Step 5: Solve for x
    x = 10,524,376,222.79/118,224.60
  6. Step 6: Final answer
    x = 89,020.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.