Home / 237,550.16-327,818.68-128,654.17

Finding the Fourth Proportional to 237,550.16, 327,818.68 and 128,654.17

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Solution

The fourth proportional to 237,550.16, 327,818.68 and 128,654.17 is: 177,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,550.16 : 327,818.68 = 128,654.17 : x
  2. Step 2: Convert to fraction form
    237,550.16/327,818.68 = 128,654.17/x
  3. Step 3: Cross multiply
    237,550.16x = 327,818.68 × 128,654.17
  4. Step 4: Simplify right side
    237,550.16x = 42,175,239,044.71
  5. Step 5: Solve for x
    x = 42,175,239,044.71/237,550.16
  6. Step 6: Final answer
    x = 177,542.46

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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.