Home / 112,131.23-154,764.50-108,576.14

Finding the Fourth Proportional to 112,131.23, 154,764.50 and 108,576.14

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Solution

The fourth proportional to 112,131.23, 154,764.50 and 108,576.14 is: 149,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,131.23 : 154,764.50 = 108,576.14 : x
  2. Step 2: Convert to fraction form
    112,131.23/154,764.50 = 108,576.14/x
  3. Step 3: Cross multiply
    112,131.23x = 154,764.50 × 108,576.14
  4. Step 4: Simplify right side
    112,131.23x = 16,803,730,702.33
  5. Step 5: Solve for x
    x = 16,803,730,702.33/112,131.23
  6. Step 6: Final answer
    x = 149,857.73

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1.5x scale

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.