Home / 124,566.47-186,845.14-68,432.86

Finding the Fourth Proportional to 124,566.47, 186,845.14 and 68,432.86

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Solution

The fourth proportional to 124,566.47, 186,845.14 and 68,432.86 is: 102,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,566.47 : 186,845.14 = 68,432.86 : x
  2. Step 2: Convert to fraction form
    124,566.47/186,845.14 = 68,432.86/x
  3. Step 3: Cross multiply
    124,566.47x = 186,845.14 × 68,432.86
  4. Step 4: Simplify right side
    124,566.47x = 12,786,347,307.30
  5. Step 5: Solve for x
    x = 12,786,347,307.30/124,566.47
  6. Step 6: Final answer
    x = 102,646.78

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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.