Home / 158,892.16-219,309.36-90,948.52

Finding the Fourth Proportional to 158,892.16, 219,309.36 and 90,948.52

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Solution

The fourth proportional to 158,892.16, 219,309.36 and 90,948.52 is: 125,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,892.16 : 219,309.36 = 90,948.52 : x
  2. Step 2: Convert to fraction form
    158,892.16/219,309.36 = 90,948.52/x
  3. Step 3: Cross multiply
    158,892.16x = 219,309.36 × 90,948.52
  4. Step 4: Simplify right side
    158,892.16x = 19,945,862,414.61
  5. Step 5: Solve for x
    x = 19,945,862,414.61/158,892.16
  6. Step 6: Final answer
    x = 125,530.82

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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.