Home / 161,288.19-222,578.56-88,695.76

Finding the Fourth Proportional to 161,288.19, 222,578.56 and 88,695.76

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Solution

The fourth proportional to 161,288.19, 222,578.56 and 88,695.76 is: 122,400.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,288.19 : 222,578.56 = 88,695.76 : x
  2. Step 2: Convert to fraction form
    161,288.19/222,578.56 = 88,695.76/x
  3. Step 3: Cross multiply
    161,288.19x = 222,578.56 × 88,695.76
  4. Step 4: Simplify right side
    161,288.19x = 19,741,773,426.01
  5. Step 5: Solve for x
    x = 19,741,773,426.01/161,288.19
  6. Step 6: Final answer
    x = 122,400.62

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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.