Home / 156,889.56-216,520.38-89,825.88

Finding the Fourth Proportional to 156,889.56, 216,520.38 and 89,825.88

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Solution

The fourth proportional to 156,889.56, 216,520.38 and 89,825.88 is: 123,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,889.56 : 216,520.38 = 89,825.88 : x
  2. Step 2: Convert to fraction form
    156,889.56/216,520.38 = 89,825.88/x
  3. Step 3: Cross multiply
    156,889.56x = 216,520.38 × 89,825.88
  4. Step 4: Simplify right side
    156,889.56x = 19,449,133,671.43
  5. Step 5: Solve for x
    x = 19,449,133,671.43/156,889.56
  6. Step 6: Final answer
    x = 123,967.04

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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.