Home / 148,951.04-205,552.24-85,285.76

Finding the Fourth Proportional to 148,951.04, 205,552.24 and 85,285.76

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Solution

The fourth proportional to 148,951.04, 205,552.24 and 85,285.76 is: 117,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,951.04 : 205,552.24 = 85,285.76 : x
  2. Step 2: Convert to fraction form
    148,951.04/205,552.24 = 85,285.76/x
  3. Step 3: Cross multiply
    148,951.04x = 205,552.24 × 85,285.76
  4. Step 4: Simplify right side
    148,951.04x = 17,530,679,008.10
  5. Step 5: Solve for x
    x = 17,530,679,008.10/148,951.04
  6. Step 6: Final answer
    x = 117,694.24

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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.