Home / 131,037.13-196,523.23-56,148.78

Finding the Fourth Proportional to 131,037.13, 196,523.23 and 56,148.78

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Solution

The fourth proportional to 131,037.13, 196,523.23 and 56,148.78 is: 84,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,037.13 : 196,523.23 = 56,148.78 : x
  2. Step 2: Convert to fraction form
    131,037.13/196,523.23 = 56,148.78/x
  3. Step 3: Cross multiply
    131,037.13x = 196,523.23 × 56,148.78
  4. Step 4: Simplify right side
    131,037.13x = 11,034,540,150.11
  5. Step 5: Solve for x
    x = 11,034,540,150.11/131,037.13
  6. Step 6: Final answer
    x = 84,209.26

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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.