Home / 161,305.24-222,588.52-89,680.88

Finding the Fourth Proportional to 161,305.24, 222,588.52 and 89,680.88

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Solution

The fourth proportional to 161,305.24, 222,588.52 and 89,680.88 is: 123,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,305.24 : 222,588.52 = 89,680.88 : x
  2. Step 2: Convert to fraction form
    161,305.24/222,588.52 = 89,680.88/x
  3. Step 3: Cross multiply
    161,305.24x = 222,588.52 × 89,680.88
  4. Step 4: Simplify right side
    161,305.24x = 19,961,934,351.50
  5. Step 5: Solve for x
    x = 19,961,934,351.50/161,305.24
  6. Step 6: Final answer
    x = 123,752.55

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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.