Home / 131,654.16-197,302.25-55,689.52

Finding the Fourth Proportional to 131,654.16, 197,302.25 and 55,689.52

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Solution

The fourth proportional to 131,654.16, 197,302.25 and 55,689.52 is: 83,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,654.16 : 197,302.25 = 55,689.52 : x
  2. Step 2: Convert to fraction form
    131,654.16/197,302.25 = 55,689.52/x
  3. Step 3: Cross multiply
    131,654.16x = 197,302.25 × 55,689.52
  4. Step 4: Simplify right side
    131,654.16x = 10,987,667,597.42
  5. Step 5: Solve for x
    x = 10,987,667,597.42/131,654.16
  6. Step 6: Final answer
    x = 83,458.57

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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.