Home / 156,044.40-215,158.86-147,636.60

Finding the Fourth Proportional to 156,044.40, 215,158.86 and 147,636.60

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Solution

The fourth proportional to 156,044.40, 215,158.86 and 147,636.60 is: 203,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,044.40 : 215,158.86 = 147,636.60 : x
  2. Step 2: Convert to fraction form
    156,044.40/215,158.86 = 147,636.60/x
  3. Step 3: Cross multiply
    156,044.40x = 215,158.86 × 147,636.60
  4. Step 4: Simplify right side
    156,044.40x = 31,765,322,550.28
  5. Step 5: Solve for x
    x = 31,765,322,550.28/156,044.40
  6. Step 6: Final answer
    x = 203,565.92

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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.