Home / 157,591.64-217,401-106,622.12

Finding the Fourth Proportional to 157,591.64, 217,401 and 106,622.12

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Solution

The fourth proportional to 157,591.64, 217,401 and 106,622.12 is: 147,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,591.64 : 217,401 = 106,622.12 : x
  2. Step 2: Convert to fraction form
    157,591.64/217,401 = 106,622.12/x
  3. Step 3: Cross multiply
    157,591.64x = 217,401 × 106,622.12
  4. Step 4: Simplify right side
    157,591.64x = 23,179,755,510.12
  5. Step 5: Solve for x
    x = 23,179,755,510.12/157,591.64
  6. Step 6: Final answer
    x = 147,087.47

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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.