Home / 161,545.08-222,938.76-89,920.56

Finding the Fourth Proportional to 161,545.08, 222,938.76 and 89,920.56

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Solution

The fourth proportional to 161,545.08, 222,938.76 and 89,920.56 is: 124,094.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,545.08 : 222,938.76 = 89,920.56 : x
  2. Step 2: Convert to fraction form
    161,545.08/222,938.76 = 89,920.56/x
  3. Step 3: Cross multiply
    161,545.08x = 222,938.76 × 89,920.56
  4. Step 4: Simplify right side
    161,545.08x = 20,046,778,144.91
  5. Step 5: Solve for x
    x = 20,046,778,144.91/161,545.08
  6. Step 6: Final answer
    x = 124,094.02

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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.