Home / 181,215.06-250,079.94-100,650.03

Finding the Fourth Proportional to 181,215.06, 250,079.94 and 100,650.03

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Solution

The fourth proportional to 181,215.06, 250,079.94 and 100,650.03 is: 138,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,215.06 : 250,079.94 = 100,650.03 : x
  2. Step 2: Convert to fraction form
    181,215.06/250,079.94 = 100,650.03/x
  3. Step 3: Cross multiply
    181,215.06x = 250,079.94 × 100,650.03
  4. Step 4: Simplify right side
    181,215.06x = 25,170,553,463.40
  5. Step 5: Solve for x
    x = 25,170,553,463.40/181,215.06
  6. Step 6: Final answer
    x = 138,898.79

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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.