Home / 148,079.95-204,332.77-83,545.43

Finding the Fourth Proportional to 148,079.95, 204,332.77 and 83,545.43

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Solution

The fourth proportional to 148,079.95, 204,332.77 and 83,545.43 is: 115,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,079.95 : 204,332.77 = 83,545.43 : x
  2. Step 2: Convert to fraction form
    148,079.95/204,332.77 = 83,545.43/x
  3. Step 3: Cross multiply
    148,079.95x = 204,332.77 × 83,545.43
  4. Step 4: Simplify right side
    148,079.95x = 17,071,068,621.91
  5. Step 5: Solve for x
    x = 17,071,068,621.91/148,079.95
  6. Step 6: Final answer
    x = 115,282.78

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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.