Home / 148,921.70-223,382.55-133,715.30

Finding the Fourth Proportional to 148,921.70, 223,382.55 and 133,715.30

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Solution

The fourth proportional to 148,921.70, 223,382.55 and 133,715.30 is: 200,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,921.70 : 223,382.55 = 133,715.30 : x
  2. Step 2: Convert to fraction form
    148,921.70/223,382.55 = 133,715.30/x
  3. Step 3: Cross multiply
    148,921.70x = 223,382.55 × 133,715.30
  4. Step 4: Simplify right side
    148,921.70x = 29,869,664,688.02
  5. Step 5: Solve for x
    x = 29,869,664,688.02/148,921.70
  6. Step 6: Final answer
    x = 200,572.95

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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.