Home / 252,724.32-379,060.53-84,226.50

Finding the Fourth Proportional to 252,724.32, 379,060.53 and 84,226.50

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Solution

The fourth proportional to 252,724.32, 379,060.53 and 84,226.50 is: 126,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,724.32 : 379,060.53 = 84,226.50 : x
  2. Step 2: Convert to fraction form
    252,724.32/379,060.53 = 84,226.50/x
  3. Step 3: Cross multiply
    252,724.32x = 379,060.53 × 84,226.50
  4. Step 4: Simplify right side
    252,724.32x = 31,926,941,730.05
  5. Step 5: Solve for x
    x = 31,926,941,730.05/252,724.32
  6. Step 6: Final answer
    x = 126,331.10

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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.