Home / 161,234.55-222,498.90-89,610.30

Finding the Fourth Proportional to 161,234.55, 222,498.90 and 89,610.30

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Solution

The fourth proportional to 161,234.55, 222,498.90 and 89,610.30 is: 123,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,234.55 : 222,498.90 = 89,610.30 : x
  2. Step 2: Convert to fraction form
    161,234.55/222,498.90 = 89,610.30/x
  3. Step 3: Cross multiply
    161,234.55x = 222,498.90 × 89,610.30
  4. Step 4: Simplify right side
    161,234.55x = 19,938,193,178.67
  5. Step 5: Solve for x
    x = 19,938,193,178.67/161,234.55
  6. Step 6: Final answer
    x = 123,659.56

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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.