Home / 161,027.60-222,218.52-89,407.76

Finding the Fourth Proportional to 161,027.60, 222,218.52 and 89,407.76

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Solution

The fourth proportional to 161,027.60, 222,218.52 and 89,407.76 is: 123,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,027.60 : 222,218.52 = 89,407.76 : x
  2. Step 2: Convert to fraction form
    161,027.60/222,218.52 = 89,407.76/x
  3. Step 3: Cross multiply
    161,027.60x = 222,218.52 × 89,407.76
  4. Step 4: Simplify right side
    161,027.60x = 19,868,060,103.72
  5. Step 5: Solve for x
    x = 19,868,060,103.72/161,027.60
  6. Step 6: Final answer
    x = 123,382.95

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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.