Home / 156,910.01-236,218.78-142,959.65

Finding the Fourth Proportional to 156,910.01, 236,218.78 and 142,959.65

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Solution

The fourth proportional to 156,910.01, 236,218.78 and 142,959.65 is: 215,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,910.01 : 236,218.78 = 142,959.65 : x
  2. Step 2: Convert to fraction form
    156,910.01/236,218.78 = 142,959.65/x
  3. Step 3: Cross multiply
    156,910.01x = 236,218.78 × 142,959.65
  4. Step 4: Simplify right side
    156,910.01x = 33,769,753,754.83
  5. Step 5: Solve for x
    x = 33,769,753,754.83/156,910.01
  6. Step 6: Final answer
    x = 215,217.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.