Home / 236,963.20-327,003.12-129,530.08

Finding the Fourth Proportional to 236,963.20, 327,003.12 and 129,530.08

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Solution

The fourth proportional to 236,963.20, 327,003.12 and 129,530.08 is: 178,748.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,963.20 : 327,003.12 = 129,530.08 : x
  2. Step 2: Convert to fraction form
    236,963.20/327,003.12 = 129,530.08/x
  3. Step 3: Cross multiply
    236,963.20x = 327,003.12 × 129,530.08
  4. Step 4: Simplify right side
    236,963.20x = 42,356,740,293.85
  5. Step 5: Solve for x
    x = 42,356,740,293.85/236,963.20
  6. Step 6: Final answer
    x = 178,748.18

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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.