Home / 215,086.52-296,893.24-130,203.60

Finding the Fourth Proportional to 215,086.52, 296,893.24 and 130,203.60

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Solution

The fourth proportional to 215,086.52, 296,893.24 and 130,203.60 is: 179,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,086.52 : 296,893.24 = 130,203.60 : x
  2. Step 2: Convert to fraction form
    215,086.52/296,893.24 = 130,203.60/x
  3. Step 3: Cross multiply
    215,086.52x = 296,893.24 × 130,203.60
  4. Step 4: Simplify right side
    215,086.52x = 38,656,568,663.66
  5. Step 5: Solve for x
    x = 38,656,568,663.66/215,086.52
  6. Step 6: Final answer
    x = 179,725.67

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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.