Home / 103,660.97-155,548.76-96,132.15

Finding the Fourth Proportional to 103,660.97, 155,548.76 and 96,132.15

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Solution

The fourth proportional to 103,660.97, 155,548.76 and 96,132.15 is: 144,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,660.97 : 155,548.76 = 96,132.15 : x
  2. Step 2: Convert to fraction form
    103,660.97/155,548.76 = 96,132.15/x
  3. Step 3: Cross multiply
    103,660.97x = 155,548.76 × 96,132.15
  4. Step 4: Simplify right side
    103,660.97x = 14,953,236,247.97
  5. Step 5: Solve for x
    x = 14,953,236,247.97/103,660.97
  6. Step 6: Final answer
    x = 144,251.37

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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.