Home / 156,043.46-215,560.42-124,171.58

Finding the Fourth Proportional to 156,043.46, 215,560.42 and 124,171.58

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Solution

The fourth proportional to 156,043.46, 215,560.42 and 124,171.58 is: 171,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,043.46 : 215,560.42 = 124,171.58 : x
  2. Step 2: Convert to fraction form
    156,043.46/215,560.42 = 124,171.58/x
  3. Step 3: Cross multiply
    156,043.46x = 215,560.42 × 124,171.58
  4. Step 4: Simplify right side
    156,043.46x = 26,766,476,859.06
  5. Step 5: Solve for x
    x = 26,766,476,859.06/156,043.46
  6. Step 6: Final answer
    x = 171,532.20

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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.