Home / 161,543.28-222,926.68-89,922.80

Finding the Fourth Proportional to 161,543.28, 222,926.68 and 89,922.80

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Solution

The fourth proportional to 161,543.28, 222,926.68 and 89,922.80 is: 124,091.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,543.28 : 222,926.68 = 89,922.80 : x
  2. Step 2: Convert to fraction form
    161,543.28/222,926.68 = 89,922.80/x
  3. Step 3: Cross multiply
    161,543.28x = 222,926.68 × 89,922.80
  4. Step 4: Simplify right side
    161,543.28x = 20,046,191,260.30
  5. Step 5: Solve for x
    x = 20,046,191,260.30/161,543.28
  6. Step 6: Final answer
    x = 124,091.77

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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.