Home / 100,070.41-137,519.20-95,444.65

Finding the Fourth Proportional to 100,070.41, 137,519.20 and 95,444.65

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Solution

The fourth proportional to 100,070.41, 137,519.20 and 95,444.65 is: 131,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,070.41 : 137,519.20 = 95,444.65 : x
  2. Step 2: Convert to fraction form
    100,070.41/137,519.20 = 95,444.65/x
  3. Step 3: Cross multiply
    100,070.41x = 137,519.20 × 95,444.65
  4. Step 4: Simplify right side
    100,070.41x = 13,125,472,150.89
  5. Step 5: Solve for x
    x = 13,125,472,150.89/100,070.41
  6. Step 6: Final answer
    x = 131,162.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.