Home / 161,339.76-222,654.92-89,724.83

Finding the Fourth Proportional to 161,339.76, 222,654.92 and 89,724.83

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Solution

The fourth proportional to 161,339.76, 222,654.92 and 89,724.83 is: 123,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,339.76 : 222,654.92 = 89,724.83 : x
  2. Step 2: Convert to fraction form
    161,339.76/222,654.92 = 89,724.83/x
  3. Step 3: Cross multiply
    161,339.76x = 222,654.92 × 89,724.83
  4. Step 4: Simplify right side
    161,339.76x = 19,977,673,283.76
  5. Step 5: Solve for x
    x = 19,977,673,283.76/161,339.76
  6. Step 6: Final answer
    x = 123,823.62

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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.