Home / 124,519.24-186,774.18-68,385.52

Finding the Fourth Proportional to 124,519.24, 186,774.18 and 68,385.52

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Solution

The fourth proportional to 124,519.24, 186,774.18 and 68,385.52 is: 102,575.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,519.24 : 186,774.18 = 68,385.52 : x
  2. Step 2: Convert to fraction form
    124,519.24/186,774.18 = 68,385.52/x
  3. Step 3: Cross multiply
    124,519.24x = 186,774.18 × 68,385.52
  4. Step 4: Simplify right side
    124,519.24x = 12,772,649,421.87
  5. Step 5: Solve for x
    x = 12,772,649,421.87/124,519.24
  6. Step 6: Final answer
    x = 102,575.71

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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.