Home / 179,213.40-268,820.10-54,538.20

Finding the Fourth Proportional to 179,213.40, 268,820.10 and 54,538.20

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Solution

The fourth proportional to 179,213.40, 268,820.10 and 54,538.20 is: 81,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,213.40 : 268,820.10 = 54,538.20 : x
  2. Step 2: Convert to fraction form
    179,213.40/268,820.10 = 54,538.20/x
  3. Step 3: Cross multiply
    179,213.40x = 268,820.10 × 54,538.20
  4. Step 4: Simplify right side
    179,213.40x = 14,660,964,377.82
  5. Step 5: Solve for x
    x = 14,660,964,377.82/179,213.40
  6. Step 6: Final answer
    x = 81,807.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.