Home / 214,557.72-296,046.54-129,679.56

Finding the Fourth Proportional to 214,557.72, 296,046.54 and 129,679.56

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Solution

The fourth proportional to 214,557.72, 296,046.54 and 129,679.56 is: 178,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,557.72 : 296,046.54 = 129,679.56 : x
  2. Step 2: Convert to fraction form
    214,557.72/296,046.54 = 129,679.56/x
  3. Step 3: Cross multiply
    214,557.72x = 296,046.54 × 129,679.56
  4. Step 4: Simplify right side
    214,557.72x = 38,391,185,046.72
  5. Step 5: Solve for x
    x = 38,391,185,046.72/214,557.72
  6. Step 6: Final answer
    x = 178,931.73

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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.