Home / 161,330.41-222,626.81-89,708.90

Finding the Fourth Proportional to 161,330.41, 222,626.81 and 89,708.90

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Solution

The fourth proportional to 161,330.41, 222,626.81 and 89,708.90 is: 123,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,330.41 : 222,626.81 = 89,708.90 : x
  2. Step 2: Convert to fraction form
    161,330.41/222,626.81 = 89,708.90/x
  3. Step 3: Cross multiply
    161,330.41x = 222,626.81 × 89,708.90
  4. Step 4: Simplify right side
    161,330.41x = 19,971,605,122.48
  5. Step 5: Solve for x
    x = 19,971,605,122.48/161,330.41
  6. Step 6: Final answer
    x = 123,793.18

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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.