Home / 157,655.36-217,456.08-93,944

Finding the Fourth Proportional to 157,655.36, 217,456.08 and 93,944

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Solution

The fourth proportional to 157,655.36, 217,456.08 and 93,944 is: 129,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,655.36 : 217,456.08 = 93,944 : x
  2. Step 2: Convert to fraction form
    157,655.36/217,456.08 = 93,944/x
  3. Step 3: Cross multiply
    157,655.36x = 217,456.08 × 93,944
  4. Step 4: Simplify right side
    157,655.36x = 20,428,693,979.52
  5. Step 5: Solve for x
    x = 20,428,693,979.52/157,655.36
  6. Step 6: Final answer
    x = 129,578.18

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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.