Home / 231,345.92-319,258.22-134,572.99

Finding the Fourth Proportional to 231,345.92, 319,258.22 and 134,572.99

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Solution

The fourth proportional to 231,345.92, 319,258.22 and 134,572.99 is: 185,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,345.92 : 319,258.22 = 134,572.99 : x
  2. Step 2: Convert to fraction form
    231,345.92/319,258.22 = 134,572.99/x
  3. Step 3: Cross multiply
    231,345.92x = 319,258.22 × 134,572.99
  4. Step 4: Simplify right side
    231,345.92x = 42,963,533,247.48
  5. Step 5: Solve for x
    x = 42,963,533,247.48/231,345.92
  6. Step 6: Final answer
    x = 185,711.22

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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.