Home / 155,279.28-232,861.62-55,412.76

Finding the Fourth Proportional to 155,279.28, 232,861.62 and 55,412.76

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Solution

The fourth proportional to 155,279.28, 232,861.62 and 55,412.76 is: 83,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,279.28 : 232,861.62 = 55,412.76 : x
  2. Step 2: Convert to fraction form
    155,279.28/232,861.62 = 55,412.76/x
  3. Step 3: Cross multiply
    155,279.28x = 232,861.62 × 55,412.76
  4. Step 4: Simplify right side
    155,279.28x = 12,903,505,062.27
  5. Step 5: Solve for x
    x = 12,903,505,062.27/155,279.28
  6. Step 6: Final answer
    x = 83,098.69

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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.