Home / 181,239.18-250,110.10-100,674.22

Finding the Fourth Proportional to 181,239.18, 250,110.10 and 100,674.22

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Solution

The fourth proportional to 181,239.18, 250,110.10 and 100,674.22 is: 138,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,239.18 : 250,110.10 = 100,674.22 : x
  2. Step 2: Convert to fraction form
    181,239.18/250,110.10 = 100,674.22/x
  3. Step 3: Cross multiply
    181,239.18x = 250,110.10 × 100,674.22
  4. Step 4: Simplify right side
    181,239.18x = 25,179,639,231.62
  5. Step 5: Solve for x
    x = 25,179,639,231.62/181,239.18
  6. Step 6: Final answer
    x = 138,930.44

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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.