Home / 132,123.70-198,215.82-57,256.41

Finding the Fourth Proportional to 132,123.70, 198,215.82 and 57,256.41

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Solution

The fourth proportional to 132,123.70, 198,215.82 and 57,256.41 is: 85,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,123.70 : 198,215.82 = 57,256.41 : x
  2. Step 2: Convert to fraction form
    132,123.70/198,215.82 = 57,256.41/x
  3. Step 3: Cross multiply
    132,123.70x = 198,215.82 × 57,256.41
  4. Step 4: Simplify right side
    132,123.70x = 11,349,126,258.41
  5. Step 5: Solve for x
    x = 11,349,126,258.41/132,123.70
  6. Step 6: Final answer
    x = 85,897.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.