Home / 181,272.92-250,156.45-100,708.00

Finding the Fourth Proportional to 181,272.92, 250,156.45 and 100,708.00

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Solution

The fourth proportional to 181,272.92, 250,156.45 and 100,708.00 is: 138,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,272.92 : 250,156.45 = 100,708.00 : x
  2. Step 2: Convert to fraction form
    181,272.92/250,156.45 = 100,708.00/x
  3. Step 3: Cross multiply
    181,272.92x = 250,156.45 × 100,708.00
  4. Step 4: Simplify right side
    181,272.92x = 25,192,754,889.44
  5. Step 5: Solve for x
    x = 25,192,754,889.44/181,272.92
  6. Step 6: Final answer
    x = 138,976.93

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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.