Home / 131,215.24-196,821.55-60,117.70

Finding the Fourth Proportional to 131,215.24, 196,821.55 and 60,117.70

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Solution

The fourth proportional to 131,215.24, 196,821.55 and 60,117.70 is: 90,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,215.24 : 196,821.55 = 60,117.70 : x
  2. Step 2: Convert to fraction form
    131,215.24/196,821.55 = 60,117.70/x
  3. Step 3: Cross multiply
    131,215.24x = 196,821.55 × 60,117.70
  4. Step 4: Simplify right side
    131,215.24x = 11,832,458,896.44
  5. Step 5: Solve for x
    x = 11,832,458,896.44/131,215.24
  6. Step 6: Final answer
    x = 90,175.95

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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.