Home / 168,018.29-231,864.54-91,537.14

Finding the Fourth Proportional to 168,018.29, 231,864.54 and 91,537.14

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Solution

The fourth proportional to 168,018.29, 231,864.54 and 91,537.14 is: 126,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,018.29 : 231,864.54 = 91,537.14 : x
  2. Step 2: Convert to fraction form
    168,018.29/231,864.54 = 91,537.14/x
  3. Step 3: Cross multiply
    168,018.29x = 231,864.54 × 91,537.14
  4. Step 4: Simplify right side
    168,018.29x = 21,224,217,385.24
  5. Step 5: Solve for x
    x = 21,224,217,385.24/168,018.29
  6. Step 6: Final answer
    x = 126,320.88

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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.