Home / 133,167.20-183,769.52-72,737.83

Finding the Fourth Proportional to 133,167.20, 183,769.52 and 72,737.83

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Solution

The fourth proportional to 133,167.20, 183,769.52 and 72,737.83 is: 100,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,167.20 : 183,769.52 = 72,737.83 : x
  2. Step 2: Convert to fraction form
    133,167.20/183,769.52 = 72,737.83/x
  3. Step 3: Cross multiply
    133,167.20x = 183,769.52 × 72,737.83
  4. Step 4: Simplify right side
    133,167.20x = 13,366,994,822.40
  5. Step 5: Solve for x
    x = 13,366,994,822.40/133,167.20
  6. Step 6: Final answer
    x = 100,377.53

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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.