Home / 124,177.85-186,154.46-45,273.62

Finding the Fourth Proportional to 124,177.85, 186,154.46 and 45,273.62

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Solution

The fourth proportional to 124,177.85, 186,154.46 and 45,273.62 is: 67,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,177.85 : 186,154.46 = 45,273.62 : x
  2. Step 2: Convert to fraction form
    124,177.85/186,154.46 = 45,273.62/x
  3. Step 3: Cross multiply
    124,177.85x = 186,154.46 × 45,273.62
  4. Step 4: Simplify right side
    124,177.85x = 8,427,886,861.92
  5. Step 5: Solve for x
    x = 8,427,886,861.92/124,177.85
  6. Step 6: Final answer
    x = 67,869.48

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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.