Home / 215,094.32-322,197.60-126,077.52

Finding the Fourth Proportional to 215,094.32, 322,197.60 and 126,077.52

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Solution

The fourth proportional to 215,094.32, 322,197.60 and 126,077.52 is: 188,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,094.32 : 322,197.60 = 126,077.52 : x
  2. Step 2: Convert to fraction form
    215,094.32/322,197.60 = 126,077.52/x
  3. Step 3: Cross multiply
    215,094.32x = 322,197.60 × 126,077.52
  4. Step 4: Simplify right side
    215,094.32x = 40,621,874,357.95
  5. Step 5: Solve for x
    x = 40,621,874,357.95/215,094.32
  6. Step 6: Final answer
    x = 188,856.10

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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.