Home / 131,182.10-196,773.15-124,808.21

Finding the Fourth Proportional to 131,182.10, 196,773.15 and 124,808.21

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Solution

The fourth proportional to 131,182.10, 196,773.15 and 124,808.21 is: 187,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,182.10 : 196,773.15 = 124,808.21 : x
  2. Step 2: Convert to fraction form
    131,182.10/196,773.15 = 124,808.21/x
  3. Step 3: Cross multiply
    131,182.10x = 196,773.15 × 124,808.21
  4. Step 4: Simplify right side
    131,182.10x = 24,558,904,627.56
  5. Step 5: Solve for x
    x = 24,558,904,627.56/131,182.10
  6. Step 6: Final answer
    x = 187,212.32

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1.5x scale

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.