Home / 161,520.72-222,836.68-119,180.24

Finding the Fourth Proportional to 161,520.72, 222,836.68 and 119,180.24

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Solution

The fourth proportional to 161,520.72, 222,836.68 and 119,180.24 is: 164,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,520.72 : 222,836.68 = 119,180.24 : x
  2. Step 2: Convert to fraction form
    161,520.72/222,836.68 = 119,180.24/x
  3. Step 3: Cross multiply
    161,520.72x = 222,836.68 × 119,180.24
  4. Step 4: Simplify right side
    161,520.72x = 26,557,729,003.20
  5. Step 5: Solve for x
    x = 26,557,729,003.20/161,520.72
  6. Step 6: Final answer
    x = 164,423.05

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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.