Home / 115,184.88-172,553.14-65,113.52

Finding the Fourth Proportional to 115,184.88, 172,553.14 and 65,113.52

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Solution

The fourth proportional to 115,184.88, 172,553.14 and 65,113.52 is: 97,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,184.88 : 172,553.14 = 65,113.52 : x
  2. Step 2: Convert to fraction form
    115,184.88/172,553.14 = 65,113.52/x
  3. Step 3: Cross multiply
    115,184.88x = 172,553.14 × 65,113.52
  4. Step 4: Simplify right side
    115,184.88x = 11,235,542,332.45
  5. Step 5: Solve for x
    x = 11,235,542,332.45/115,184.88
  6. Step 6: Final answer
    x = 97,543.55

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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.