Home / 236,911.80-326,938.30-129,481.83

Finding the Fourth Proportional to 236,911.80, 326,938.30 and 129,481.83

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Solution

The fourth proportional to 236,911.80, 326,938.30 and 129,481.83 is: 178,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,911.80 : 326,938.30 = 129,481.83 : x
  2. Step 2: Convert to fraction form
    236,911.80/326,938.30 = 129,481.83/x
  3. Step 3: Cross multiply
    236,911.80x = 326,938.30 × 129,481.83
  4. Step 4: Simplify right side
    236,911.80x = 42,332,570,283.40
  5. Step 5: Solve for x
    x = 42,332,570,283.40/236,911.80
  6. Step 6: Final answer
    x = 178,684.94

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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.