Home / 236,972.32-327,021.06-129,542.40

Finding the Fourth Proportional to 236,972.32, 327,021.06 and 129,542.40

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Solution

The fourth proportional to 236,972.32, 327,021.06 and 129,542.40 is: 178,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,972.32 : 327,021.06 = 129,542.40 : x
  2. Step 2: Convert to fraction form
    236,972.32/327,021.06 = 129,542.40/x
  3. Step 3: Cross multiply
    236,972.32x = 327,021.06 × 129,542.40
  4. Step 4: Simplify right side
    236,972.32x = 42,363,092,962.94
  5. Step 5: Solve for x
    x = 42,363,092,962.94/236,972.32
  6. Step 6: Final answer
    x = 178,768.11

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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.