Home / 367,557.20-551,414.27-127,678.53

Finding the Fourth Proportional to 367,557.20, 551,414.27 and 127,678.53

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Solution

The fourth proportional to 367,557.20, 551,414.27 and 127,678.53 is: 191,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,557.20 : 551,414.27 = 127,678.53 : x
  2. Step 2: Convert to fraction form
    367,557.20/551,414.27 = 127,678.53/x
  3. Step 3: Cross multiply
    367,557.20x = 551,414.27 × 127,678.53
  4. Step 4: Simplify right side
    367,557.20x = 70,403,763,414.62
  5. Step 5: Solve for x
    x = 70,403,763,414.62/367,557.20
  6. Step 6: Final answer
    x = 191,545.05

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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.