Home / 157,111.73-216,776.39-92,583.61

Finding the Fourth Proportional to 157,111.73, 216,776.39 and 92,583.61

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Solution

The fourth proportional to 157,111.73, 216,776.39 and 92,583.61 is: 127,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,111.73 : 216,776.39 = 92,583.61 : x
  2. Step 2: Convert to fraction form
    157,111.73/216,776.39 = 92,583.61/x
  3. Step 3: Cross multiply
    157,111.73x = 216,776.39 × 92,583.61
  4. Step 4: Simplify right side
    157,111.73x = 20,069,940,748.97
  5. Step 5: Solve for x
    x = 20,069,940,748.97/157,111.73
  6. Step 6: Final answer
    x = 127,743.11

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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.