Home / 156,761.48-216,392.88-109,042.52

Finding the Fourth Proportional to 156,761.48, 216,392.88 and 109,042.52

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Solution

The fourth proportional to 156,761.48, 216,392.88 and 109,042.52 is: 150,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,761.48 : 216,392.88 = 109,042.52 : x
  2. Step 2: Convert to fraction form
    156,761.48/216,392.88 = 109,042.52/x
  3. Step 3: Cross multiply
    156,761.48x = 216,392.88 × 109,042.52
  4. Step 4: Simplify right side
    156,761.48x = 23,596,024,945.26
  5. Step 5: Solve for x
    x = 23,596,024,945.26/156,761.48
  6. Step 6: Final answer
    x = 150,521.83

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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.