Home / 236,911.60-326,937.23-129,481.61

Finding the Fourth Proportional to 236,911.60, 326,937.23 and 129,481.61

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Solution

The fourth proportional to 236,911.60, 326,937.23 and 129,481.61 is: 178,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,911.60 : 326,937.23 = 129,481.61 : x
  2. Step 2: Convert to fraction form
    236,911.60/326,937.23 = 129,481.61/x
  3. Step 3: Cross multiply
    236,911.60x = 326,937.23 × 129,481.61
  4. Step 4: Simplify right side
    236,911.60x = 42,332,357,112.80
  5. Step 5: Solve for x
    x = 42,332,357,112.80/236,911.60
  6. Step 6: Final answer
    x = 178,684.19

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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.