Home / 127,865.70-191,757.02-60,387.30

Finding the Fourth Proportional to 127,865.70, 191,757.02 and 60,387.30

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Solution

The fourth proportional to 127,865.70, 191,757.02 and 60,387.30 is: 90,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,865.70 : 191,757.02 = 60,387.30 : x
  2. Step 2: Convert to fraction form
    127,865.70/191,757.02 = 60,387.30/x
  3. Step 3: Cross multiply
    127,865.70x = 191,757.02 × 60,387.30
  4. Step 4: Simplify right side
    127,865.70x = 11,579,688,693.85
  5. Step 5: Solve for x
    x = 11,579,688,693.85/127,865.70
  6. Step 6: Final answer
    x = 90,561.34

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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.