Home / 161,487.20-222,849.33-89,866.55

Finding the Fourth Proportional to 161,487.20, 222,849.33 and 89,866.55

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Solution

The fourth proportional to 161,487.20, 222,849.33 and 89,866.55 is: 124,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,487.20 : 222,849.33 = 89,866.55 : x
  2. Step 2: Convert to fraction form
    161,487.20/222,849.33 = 89,866.55/x
  3. Step 3: Cross multiply
    161,487.20x = 222,849.33 × 89,866.55
  4. Step 4: Simplify right side
    161,487.20x = 20,026,700,456.91
  5. Step 5: Solve for x
    x = 20,026,700,456.91/161,487.20
  6. Step 6: Final answer
    x = 124,014.17

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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.