Home / 148,545.44-204,979.84-87,285.14

Finding the Fourth Proportional to 148,545.44, 204,979.84 and 87,285.14

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Solution

The fourth proportional to 148,545.44, 204,979.84 and 87,285.14 is: 120,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,545.44 : 204,979.84 = 87,285.14 : x
  2. Step 2: Convert to fraction form
    148,545.44/204,979.84 = 87,285.14/x
  3. Step 3: Cross multiply
    148,545.44x = 204,979.84 × 87,285.14
  4. Step 4: Simplify right side
    148,545.44x = 17,891,692,788.47
  5. Step 5: Solve for x
    x = 17,891,692,788.47/148,545.44
  6. Step 6: Final answer
    x = 120,445.93

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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.