Home / 113,634.86-156,817.13-62,649.40

Finding the Fourth Proportional to 113,634.86, 156,817.13 and 62,649.40

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Solution

The fourth proportional to 113,634.86, 156,817.13 and 62,649.40 is: 86,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,634.86 : 156,817.13 = 62,649.40 : x
  2. Step 2: Convert to fraction form
    113,634.86/156,817.13 = 62,649.40/x
  3. Step 3: Cross multiply
    113,634.86x = 156,817.13 × 62,649.40
  4. Step 4: Simplify right side
    113,634.86x = 9,824,498,790.98
  5. Step 5: Solve for x
    x = 9,824,498,790.98/113,634.86
  6. Step 6: Final answer
    x = 86,456.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.