Home / 156,304.68-215,700.58-91,761.28

Finding the Fourth Proportional to 156,304.68, 215,700.58 and 91,761.28

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Solution

The fourth proportional to 156,304.68, 215,700.58 and 91,761.28 is: 126,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,304.68 : 215,700.58 = 91,761.28 : x
  2. Step 2: Convert to fraction form
    156,304.68/215,700.58 = 91,761.28/x
  3. Step 3: Cross multiply
    156,304.68x = 215,700.58 × 91,761.28
  4. Step 4: Simplify right side
    156,304.68x = 19,792,961,317.54
  5. Step 5: Solve for x
    x = 19,792,961,317.54/156,304.68
  6. Step 6: Final answer
    x = 126,630.64

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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.