Home / 229,919.20-317,376.76-172,724.42

Finding the Fourth Proportional to 229,919.20, 317,376.76 and 172,724.42

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Solution

The fourth proportional to 229,919.20, 317,376.76 and 172,724.42 is: 238,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,919.20 : 317,376.76 = 172,724.42 : x
  2. Step 2: Convert to fraction form
    229,919.20/317,376.76 = 172,724.42/x
  3. Step 3: Cross multiply
    229,919.20x = 317,376.76 × 172,724.42
  4. Step 4: Simplify right side
    229,919.20x = 54,818,715,876.40
  5. Step 5: Solve for x
    x = 54,818,715,876.40/229,919.20
  6. Step 6: Final answer
    x = 238,426.01

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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.