Home / 161,545.20-222,912.16-93,561.12

Finding the Fourth Proportional to 161,545.20, 222,912.16 and 93,561.12

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Solution

The fourth proportional to 161,545.20, 222,912.16 and 93,561.12 is: 129,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,545.20 : 222,912.16 = 93,561.12 : x
  2. Step 2: Convert to fraction form
    161,545.20/222,912.16 = 93,561.12/x
  3. Step 3: Cross multiply
    161,545.20x = 222,912.16 × 93,561.12
  4. Step 4: Simplify right side
    161,545.20x = 20,855,911,351.22
  5. Step 5: Solve for x
    x = 20,855,911,351.22/161,545.20
  6. Step 6: Final answer
    x = 129,102.64

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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.