Home / 161,291.20-222,569.24-89,666.86

Finding the Fourth Proportional to 161,291.20, 222,569.24 and 89,666.86

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Solution

The fourth proportional to 161,291.20, 222,569.24 and 89,666.86 is: 123,733.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,291.20 : 222,569.24 = 89,666.86 : x
  2. Step 2: Convert to fraction form
    161,291.20/222,569.24 = 89,666.86/x
  3. Step 3: Cross multiply
    161,291.20x = 222,569.24 × 89,666.86
  4. Step 4: Simplify right side
    161,291.20x = 19,957,084,883.39
  5. Step 5: Solve for x
    x = 19,957,084,883.39/161,291.20
  6. Step 6: Final answer
    x = 123,733.25

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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.