Home / 127,447.63-191,159.06-38,701.90

Finding the Fourth Proportional to 127,447.63, 191,159.06 and 38,701.90

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Solution

The fourth proportional to 127,447.63, 191,159.06 and 38,701.90 is: 58,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,447.63 : 191,159.06 = 38,701.90 : x
  2. Step 2: Convert to fraction form
    127,447.63/191,159.06 = 38,701.90/x
  3. Step 3: Cross multiply
    127,447.63x = 191,159.06 × 38,701.90
  4. Step 4: Simplify right side
    127,447.63x = 7,398,218,869.65
  5. Step 5: Solve for x
    x = 7,398,218,869.65/127,447.63
  6. Step 6: Final answer
    x = 58,049.09

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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.