Home / 243,834.11-336,516.35-140,471.85

Finding the Fourth Proportional to 243,834.11, 336,516.35 and 140,471.85

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Solution

The fourth proportional to 243,834.11, 336,516.35 and 140,471.85 is: 193,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,834.11 : 336,516.35 = 140,471.85 : x
  2. Step 2: Convert to fraction form
    243,834.11/336,516.35 = 140,471.85/x
  3. Step 3: Cross multiply
    243,834.11x = 336,516.35 × 140,471.85
  4. Step 4: Simplify right side
    243,834.11x = 47,271,073,537.39
  5. Step 5: Solve for x
    x = 47,271,073,537.39/243,834.11
  6. Step 6: Final answer
    x = 193,865.72

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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.