Home / 161,134.32-222,365.21-89,521.05

Finding the Fourth Proportional to 161,134.32, 222,365.21 and 89,521.05

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Solution

The fourth proportional to 161,134.32, 222,365.21 and 89,521.05 is: 123,538.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,134.32 : 222,365.21 = 89,521.05 : x
  2. Step 2: Convert to fraction form
    161,134.32/222,365.21 = 89,521.05/x
  3. Step 3: Cross multiply
    161,134.32x = 222,365.21 × 89,521.05
  4. Step 4: Simplify right side
    161,134.32x = 19,906,366,635.07
  5. Step 5: Solve for x
    x = 19,906,366,635.07/161,134.32
  6. Step 6: Final answer
    x = 123,538.96

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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.