Home / 148,385.72-222,635.52-89,263.28

Finding the Fourth Proportional to 148,385.72, 222,635.52 and 89,263.28

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Solution

The fourth proportional to 148,385.72, 222,635.52 and 89,263.28 is: 133,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,385.72 : 222,635.52 = 89,263.28 : x
  2. Step 2: Convert to fraction form
    148,385.72/222,635.52 = 89,263.28/x
  3. Step 3: Cross multiply
    148,385.72x = 222,635.52 × 89,263.28
  4. Step 4: Simplify right side
    148,385.72x = 19,873,176,759.71
  5. Step 5: Solve for x
    x = 19,873,176,759.71/148,385.72
  6. Step 6: Final answer
    x = 133,929.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.