Home / 127,462.23-191,180.88-38,716.50

Finding the Fourth Proportional to 127,462.23, 191,180.88 and 38,716.50

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Solution

The fourth proportional to 127,462.23, 191,180.88 and 38,716.50 is: 58,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,462.23 : 191,180.88 = 38,716.50 : x
  2. Step 2: Convert to fraction form
    127,462.23/191,180.88 = 38,716.50/x
  3. Step 3: Cross multiply
    127,462.23x = 191,180.88 × 38,716.50
  4. Step 4: Simplify right side
    127,462.23x = 7,401,854,540.52
  5. Step 5: Solve for x
    x = 7,401,854,540.52/127,462.23
  6. Step 6: Final answer
    x = 58,070.96

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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.