Home / 236,591.15-326,494.13-129,161.19

Finding the Fourth Proportional to 236,591.15, 326,494.13 and 129,161.19

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Solution

The fourth proportional to 236,591.15, 326,494.13 and 129,161.19 is: 178,241.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,591.15 : 326,494.13 = 129,161.19 : x
  2. Step 2: Convert to fraction form
    236,591.15/326,494.13 = 129,161.19/x
  3. Step 3: Cross multiply
    236,591.15x = 326,494.13 × 129,161.19
  4. Step 4: Simplify right side
    236,591.15x = 42,170,369,713.01
  5. Step 5: Solve for x
    x = 42,170,369,713.01/236,591.15
  6. Step 6: Final answer
    x = 178,241.53

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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.