Home / 103,660.41-155,548.01-96,131.65

Finding the Fourth Proportional to 103,660.41, 155,548.01 and 96,131.65

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Solution

The fourth proportional to 103,660.41, 155,548.01 and 96,131.65 is: 144,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,660.41 : 155,548.01 = 96,131.65 : x
  2. Step 2: Convert to fraction form
    103,660.41/155,548.01 = 96,131.65/x
  3. Step 3: Cross multiply
    103,660.41x = 155,548.01 × 96,131.65
  4. Step 4: Simplify right side
    103,660.41x = 14,953,086,855.52
  5. Step 5: Solve for x
    x = 14,953,086,855.52/103,660.41
  6. Step 6: Final answer
    x = 144,250.70

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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.