Home / 236,788.32-326,768.22-129,360.18

Finding the Fourth Proportional to 236,788.32, 326,768.22 and 129,360.18

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Solution

The fourth proportional to 236,788.32, 326,768.22 and 129,360.18 is: 178,517.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,788.32 : 326,768.22 = 129,360.18 : x
  2. Step 2: Convert to fraction form
    236,788.32/326,768.22 = 129,360.18/x
  3. Step 3: Cross multiply
    236,788.32x = 326,768.22 × 129,360.18
  4. Step 4: Simplify right side
    236,788.32x = 42,270,795,757.48
  5. Step 5: Solve for x
    x = 42,270,795,757.48/236,788.32
  6. Step 6: Final answer
    x = 178,517.23

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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.