Home / 156,851.32-216,454.25-88,881.24

Finding the Fourth Proportional to 156,851.32, 216,454.25 and 88,881.24

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Solution

The fourth proportional to 156,851.32, 216,454.25 and 88,881.24 is: 122,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,851.32 : 216,454.25 = 88,881.24 : x
  2. Step 2: Convert to fraction form
    156,851.32/216,454.25 = 88,881.24/x
  3. Step 3: Cross multiply
    156,851.32x = 216,454.25 × 88,881.24
  4. Step 4: Simplify right side
    156,851.32x = 19,238,722,143.27
  5. Step 5: Solve for x
    x = 19,238,722,143.27/156,851.32
  6. Step 6: Final answer
    x = 122,655.79

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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.