Home / 253,424.08-349,723.20-140,253.04

Finding the Fourth Proportional to 253,424.08, 349,723.20 and 140,253.04

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Solution

The fourth proportional to 253,424.08, 349,723.20 and 140,253.04 is: 193,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,424.08 : 349,723.20 = 140,253.04 : x
  2. Step 2: Convert to fraction form
    253,424.08/349,723.20 = 140,253.04/x
  3. Step 3: Cross multiply
    253,424.08x = 349,723.20 × 140,253.04
  4. Step 4: Simplify right side
    253,424.08x = 49,049,741,958.53
  5. Step 5: Solve for x
    x = 49,049,741,958.53/253,424.08
  6. Step 6: Final answer
    x = 193,548.07

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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.