Home / 127,495.38-191,264.94-38,757.72

Finding the Fourth Proportional to 127,495.38, 191,264.94 and 38,757.72

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Solution

The fourth proportional to 127,495.38, 191,264.94 and 38,757.72 is: 58,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,495.38 : 191,264.94 = 38,757.72 : x
  2. Step 2: Convert to fraction form
    127,495.38/191,264.94 = 38,757.72/x
  3. Step 3: Cross multiply
    127,495.38x = 191,264.94 × 38,757.72
  4. Step 4: Simplify right side
    127,495.38x = 7,412,992,990.34
  5. Step 5: Solve for x
    x = 7,412,992,990.34/127,495.38
  6. Step 6: Final answer
    x = 58,143.23

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1.5x scale

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.