Home / 157,087.08-216,761.22-89,098.92

Finding the Fourth Proportional to 157,087.08, 216,761.22 and 89,098.92

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Solution

The fourth proportional to 157,087.08, 216,761.22 and 89,098.92 is: 122,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,087.08 : 216,761.22 = 89,098.92 : x
  2. Step 2: Convert to fraction form
    157,087.08/216,761.22 = 89,098.92/x
  3. Step 3: Cross multiply
    157,087.08x = 216,761.22 × 89,098.92
  4. Step 4: Simplify right side
    157,087.08x = 19,313,190,599.88
  5. Step 5: Solve for x
    x = 19,313,190,599.88/157,087.08
  6. Step 6: Final answer
    x = 122,945.76

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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.