Home / 161,276.32-222,579.68-89,663.52

Finding the Fourth Proportional to 161,276.32, 222,579.68 and 89,663.52

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Solution

The fourth proportional to 161,276.32, 222,579.68 and 89,663.52 is: 123,745.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,276.32 : 222,579.68 = 89,663.52 : x
  2. Step 2: Convert to fraction form
    161,276.32/222,579.68 = 89,663.52/x
  3. Step 3: Cross multiply
    161,276.32x = 222,579.68 × 89,663.52
  4. Step 4: Simplify right side
    161,276.32x = 19,957,277,589.27
  5. Step 5: Solve for x
    x = 19,957,277,589.27/161,276.32
  6. Step 6: Final answer
    x = 123,745.86

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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.