Home / 236,867.20-326,876.08-129,437.92

Finding the Fourth Proportional to 236,867.20, 326,876.08 and 129,437.92

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Solution

The fourth proportional to 236,867.20, 326,876.08 and 129,437.92 is: 178,623.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,867.20 : 326,876.08 = 129,437.92 : x
  2. Step 2: Convert to fraction form
    236,867.20/326,876.08 = 129,437.92/x
  3. Step 3: Cross multiply
    236,867.20x = 326,876.08 × 129,437.92
  4. Step 4: Simplify right side
    236,867.20x = 42,310,159,892.95
  5. Step 5: Solve for x
    x = 42,310,159,892.95/236,867.20
  6. Step 6: Final answer
    x = 178,623.97

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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.