Home / 181,195.11-250,060.47-100,623.20

Finding the Fourth Proportional to 181,195.11, 250,060.47 and 100,623.20

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Solution

The fourth proportional to 181,195.11, 250,060.47 and 100,623.20 is: 138,866.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,195.11 : 250,060.47 = 100,623.20 : x
  2. Step 2: Convert to fraction form
    181,195.11/250,060.47 = 100,623.20/x
  3. Step 3: Cross multiply
    181,195.11x = 250,060.47 × 100,623.20
  4. Step 4: Simplify right side
    181,195.11x = 25,161,883,057.26
  5. Step 5: Solve for x
    x = 25,161,883,057.26/181,195.11
  6. Step 6: Final answer
    x = 138,866.24

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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.