Home / 127,574.24-191,402.40-38,844.88

Finding the Fourth Proportional to 127,574.24, 191,402.40 and 38,844.88

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Solution

The fourth proportional to 127,574.24, 191,402.40 and 38,844.88 is: 58,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,574.24 : 191,402.40 = 38,844.88 : x
  2. Step 2: Convert to fraction form
    127,574.24/191,402.40 = 38,844.88/x
  3. Step 3: Cross multiply
    127,574.24x = 191,402.40 × 38,844.88
  4. Step 4: Simplify right side
    127,574.24x = 7,435,003,259.71
  5. Step 5: Solve for x
    x = 7,435,003,259.71/127,574.24
  6. Step 6: Final answer
    x = 58,279.82

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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.