Home / 127,445.58-191,156.00-38,699.87

Finding the Fourth Proportional to 127,445.58, 191,156.00 and 38,699.87

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Solution

The fourth proportional to 127,445.58, 191,156.00 and 38,699.87 is: 58,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,445.58 : 191,156.00 = 38,699.87 : x
  2. Step 2: Convert to fraction form
    127,445.58/191,156.00 = 38,699.87/x
  3. Step 3: Cross multiply
    127,445.58x = 191,156.00 × 38,699.87
  4. Step 4: Simplify right side
    127,445.58x = 7,397,711,200.44
  5. Step 5: Solve for x
    x = 7,397,711,200.44/127,445.58
  6. Step 6: Final answer
    x = 58,046.04

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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.