Home / 181,165.10-250,003.03-100,590.55

Finding the Fourth Proportional to 181,165.10, 250,003.03 and 100,590.55

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Solution

The fourth proportional to 181,165.10, 250,003.03 and 100,590.55 is: 138,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,165.10 : 250,003.03 = 100,590.55 : x
  2. Step 2: Convert to fraction form
    181,165.10/250,003.03 = 100,590.55/x
  3. Step 3: Cross multiply
    181,165.10x = 250,003.03 × 100,590.55
  4. Step 4: Simplify right side
    181,165.10x = 25,147,941,412.88
  5. Step 5: Solve for x
    x = 25,147,941,412.88/181,165.10
  6. Step 6: Final answer
    x = 138,812.29

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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.