Home / 236,972.45-327,022.07-129,542.46

Finding the Fourth Proportional to 236,972.45, 327,022.07 and 129,542.46

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Solution

The fourth proportional to 236,972.45, 327,022.07 and 129,542.46 is: 178,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,972.45 : 327,022.07 = 129,542.46 : x
  2. Step 2: Convert to fraction form
    236,972.45/327,022.07 = 129,542.46/x
  3. Step 3: Cross multiply
    236,972.45x = 327,022.07 × 129,542.46
  4. Step 4: Simplify right side
    236,972.45x = 42,363,242,774.38
  5. Step 5: Solve for x
    x = 42,363,242,774.38/236,972.45
  6. Step 6: Final answer
    x = 178,768.64

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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.