Home / 181,217.18-250,080.29-100,644.69

Finding the Fourth Proportional to 181,217.18, 250,080.29 and 100,644.69

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Solution

The fourth proportional to 181,217.18, 250,080.29 and 100,644.69 is: 138,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,217.18 : 250,080.29 = 100,644.69 : x
  2. Step 2: Convert to fraction form
    181,217.18/250,080.29 = 100,644.69/x
  3. Step 3: Cross multiply
    181,217.18x = 250,080.29 × 100,644.69
  4. Step 4: Simplify right side
    181,217.18x = 25,169,252,758.94
  5. Step 5: Solve for x
    x = 25,169,252,758.94/181,217.18
  6. Step 6: Final answer
    x = 138,890.00

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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.