Home / 168,018.28-231,864.52-91,537.13

Finding the Fourth Proportional to 168,018.28, 231,864.52 and 91,537.13

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Solution

The fourth proportional to 168,018.28, 231,864.52 and 91,537.13 is: 126,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,018.28 : 231,864.52 = 91,537.13 : x
  2. Step 2: Convert to fraction form
    168,018.28/231,864.52 = 91,537.13/x
  3. Step 3: Cross multiply
    168,018.28x = 231,864.52 × 91,537.13
  4. Step 4: Simplify right side
    168,018.28x = 21,224,213,232.08
  5. Step 5: Solve for x
    x = 21,224,213,232.08/168,018.28
  6. Step 6: Final answer
    x = 126,320.86

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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.