Home / 161,229.24-222,494.72-89,607.74

Finding the Fourth Proportional to 161,229.24, 222,494.72 and 89,607.74

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Solution

The fourth proportional to 161,229.24, 222,494.72 and 89,607.74 is: 123,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,229.24 : 222,494.72 = 89,607.74 : x
  2. Step 2: Convert to fraction form
    161,229.24/222,494.72 = 89,607.74/x
  3. Step 3: Cross multiply
    161,229.24x = 222,494.72 × 89,607.74
  4. Step 4: Simplify right side
    161,229.24x = 19,937,247,460.62
  5. Step 5: Solve for x
    x = 19,937,247,460.62/161,229.24
  6. Step 6: Final answer
    x = 123,657.76

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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.