Home / 161,091.17-222,299.63-89,475.76

Finding the Fourth Proportional to 161,091.17, 222,299.63 and 89,475.76

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Solution

The fourth proportional to 161,091.17, 222,299.63 and 89,475.76 is: 123,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,091.17 : 222,299.63 = 89,475.76 : x
  2. Step 2: Convert to fraction form
    161,091.17/222,299.63 = 89,475.76/x
  3. Step 3: Cross multiply
    161,091.17x = 222,299.63 × 89,475.76
  4. Step 4: Simplify right side
    161,091.17x = 19,890,427,674.38
  5. Step 5: Solve for x
    x = 19,890,427,674.38/161,091.17
  6. Step 6: Final answer
    x = 123,473.11

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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.