Home / 118,306.20-163,265.04-64,593.48

Finding the Fourth Proportional to 118,306.20, 163,265.04 and 64,593.48

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Solution

The fourth proportional to 118,306.20, 163,265.04 and 64,593.48 is: 89,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,306.20 : 163,265.04 = 64,593.48 : x
  2. Step 2: Convert to fraction form
    118,306.20/163,265.04 = 64,593.48/x
  3. Step 3: Cross multiply
    118,306.20x = 163,265.04 × 64,593.48
  4. Step 4: Simplify right side
    118,306.20x = 10,545,857,095.94
  5. Step 5: Solve for x
    x = 10,545,857,095.94/118,306.20
  6. Step 6: Final answer
    x = 89,140.36

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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.