Home / 127,446.88-191,157.96-38,701.15

Finding the Fourth Proportional to 127,446.88, 191,157.96 and 38,701.15

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Solution

The fourth proportional to 127,446.88, 191,157.96 and 38,701.15 is: 58,047.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,446.88 : 191,157.96 = 38,701.15 : x
  2. Step 2: Convert to fraction form
    127,446.88/191,157.96 = 38,701.15/x
  3. Step 3: Cross multiply
    127,446.88x = 191,157.96 × 38,701.15
  4. Step 4: Simplify right side
    127,446.88x = 7,398,032,883.65
  5. Step 5: Solve for x
    x = 7,398,032,883.65/127,446.88
  6. Step 6: Final answer
    x = 58,047.97

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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.