Home / 82,727.03-123,154.91-82,234.95

Finding the Fourth Proportional to 82,727.03, 123,154.91 and 82,234.95

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Solution

The fourth proportional to 82,727.03, 123,154.91 and 82,234.95 is: 122,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,727.03 : 123,154.91 = 82,234.95 : x
  2. Step 2: Convert to fraction form
    82,727.03/123,154.91 = 82,234.95/x
  3. Step 3: Cross multiply
    82,727.03x = 123,154.91 × 82,234.95
  4. Step 4: Simplify right side
    82,727.03x = 10,127,637,454.93
  5. Step 5: Solve for x
    x = 10,127,637,454.93/82,727.03
  6. Step 6: Final answer
    x = 122,422.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.