Home / 113,714.92-156,733.86-79,733.80

Finding the Fourth Proportional to 113,714.92, 156,733.86 and 79,733.80

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Solution

The fourth proportional to 113,714.92, 156,733.86 and 79,733.80 is: 109,897.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,714.92 : 156,733.86 = 79,733.80 : x
  2. Step 2: Convert to fraction form
    113,714.92/156,733.86 = 79,733.80/x
  3. Step 3: Cross multiply
    113,714.92x = 156,733.86 × 79,733.80
  4. Step 4: Simplify right side
    113,714.92x = 12,496,986,246.47
  5. Step 5: Solve for x
    x = 12,496,986,246.47/113,714.92
  6. Step 6: Final answer
    x = 109,897.51

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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.