Home / 236,152.11-354,229.76-86,330.76

Finding the Fourth Proportional to 236,152.11, 354,229.76 and 86,330.76

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Solution

The fourth proportional to 236,152.11, 354,229.76 and 86,330.76 is: 129,496.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,152.11 : 354,229.76 = 86,330.76 : x
  2. Step 2: Convert to fraction form
    236,152.11/354,229.76 = 86,330.76/x
  3. Step 3: Cross multiply
    236,152.11x = 354,229.76 × 86,330.76
  4. Step 4: Simplify right side
    236,152.11x = 30,580,924,789.81
  5. Step 5: Solve for x
    x = 30,580,924,789.81/236,152.11
  6. Step 6: Final answer
    x = 129,496.73

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1.5x scale

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.