Home / 138,548.28-191,107.98-96,091.32

Finding the Fourth Proportional to 138,548.28, 191,107.98 and 96,091.32

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Solution

The fourth proportional to 138,548.28, 191,107.98 and 96,091.32 is: 132,544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,548.28 : 191,107.98 = 96,091.32 : x
  2. Step 2: Convert to fraction form
    138,548.28/191,107.98 = 96,091.32/x
  3. Step 3: Cross multiply
    138,548.28x = 191,107.98 × 96,091.32
  4. Step 4: Simplify right side
    138,548.28x = 18,363,818,060.73
  5. Step 5: Solve for x
    x = 18,363,818,060.73/138,548.28
  6. Step 6: Final answer
    x = 132,544.54

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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.