Home / 161,332.92-222,630.26-89,711.40

Finding the Fourth Proportional to 161,332.92, 222,630.26 and 89,711.40

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Solution

The fourth proportional to 161,332.92, 222,630.26 and 89,711.40 is: 123,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,332.92 : 222,630.26 = 89,711.40 : x
  2. Step 2: Convert to fraction form
    161,332.92/222,630.26 = 89,711.40/x
  3. Step 3: Cross multiply
    161,332.92x = 222,630.26 × 89,711.40
  4. Step 4: Simplify right side
    161,332.92x = 19,972,471,858.41
  5. Step 5: Solve for x
    x = 19,972,471,858.41/161,332.92
  6. Step 6: Final answer
    x = 123,796.63

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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.