Home / 243,724.56-365,451-75,197.04

Finding the Fourth Proportional to 243,724.56, 365,451 and 75,197.04

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Solution

The fourth proportional to 243,724.56, 365,451 and 75,197.04 is: 112,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,724.56 : 365,451 = 75,197.04 : x
  2. Step 2: Convert to fraction form
    243,724.56/365,451 = 75,197.04/x
  3. Step 3: Cross multiply
    243,724.56x = 365,451 × 75,197.04
  4. Step 4: Simplify right side
    243,724.56x = 27,480,833,465.04
  5. Step 5: Solve for x
    x = 27,480,833,465.04/243,724.56
  6. Step 6: Final answer
    x = 112,753.65

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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.