Home / 151,939.10-227,908.65-52,085.90

Finding the Fourth Proportional to 151,939.10, 227,908.65 and 52,085.90

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Solution

The fourth proportional to 151,939.10, 227,908.65 and 52,085.90 is: 78,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,939.10 : 227,908.65 = 52,085.90 : x
  2. Step 2: Convert to fraction form
    151,939.10/227,908.65 = 52,085.90/x
  3. Step 3: Cross multiply
    151,939.10x = 227,908.65 × 52,085.90
  4. Step 4: Simplify right side
    151,939.10x = 11,870,827,153.04
  5. Step 5: Solve for x
    x = 11,870,827,153.04/151,939.10
  6. Step 6: Final answer
    x = 78,128.85

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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.