Home / 155,115.06-232,673.49-55,279.10

Finding the Fourth Proportional to 155,115.06, 232,673.49 and 55,279.10

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Solution

The fourth proportional to 155,115.06, 232,673.49 and 55,279.10 is: 82,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,115.06 : 232,673.49 = 55,279.10 : x
  2. Step 2: Convert to fraction form
    155,115.06/232,673.49 = 55,279.10/x
  3. Step 3: Cross multiply
    155,115.06x = 232,673.49 × 55,279.10
  4. Step 4: Simplify right side
    155,115.06x = 12,861,979,957.69
  5. Step 5: Solve for x
    x = 12,861,979,957.69/155,115.06
  6. Step 6: Final answer
    x = 82,918.96

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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.