Home / 148,543.79-222,472.45-89,248.75

Finding the Fourth Proportional to 148,543.79, 222,472.45 and 89,248.75

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Solution

The fourth proportional to 148,543.79, 222,472.45 and 89,248.75 is: 133,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,543.79 : 222,472.45 = 89,248.75 : x
  2. Step 2: Convert to fraction form
    148,543.79/222,472.45 = 89,248.75/x
  3. Step 3: Cross multiply
    148,543.79x = 222,472.45 × 89,248.75
  4. Step 4: Simplify right side
    148,543.79x = 19,855,388,071.94
  5. Step 5: Solve for x
    x = 19,855,388,071.94/148,543.79
  6. Step 6: Final answer
    x = 133,666.90

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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.