Home / 136,511.02-188,481.18-95,761.72

Finding the Fourth Proportional to 136,511.02, 188,481.18 and 95,761.72

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Solution

The fourth proportional to 136,511.02, 188,481.18 and 95,761.72 is: 132,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,511.02 : 188,481.18 = 95,761.72 : x
  2. Step 2: Convert to fraction form
    136,511.02/188,481.18 = 95,761.72/x
  3. Step 3: Cross multiply
    136,511.02x = 188,481.18 × 95,761.72
  4. Step 4: Simplify right side
    136,511.02x = 18,049,281,984.43
  5. Step 5: Solve for x
    x = 18,049,281,984.43/136,511.02
  6. Step 6: Final answer
    x = 132,218.50

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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.