Home / 181,263.17-250,143.05-100,698.19

Finding the Fourth Proportional to 181,263.17, 250,143.05 and 100,698.19

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Solution

The fourth proportional to 181,263.17, 250,143.05 and 100,698.19 is: 138,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,263.17 : 250,143.05 = 100,698.19 : x
  2. Step 2: Convert to fraction form
    181,263.17/250,143.05 = 100,698.19/x
  3. Step 3: Cross multiply
    181,263.17x = 250,143.05 × 100,698.19
  4. Step 4: Simplify right side
    181,263.17x = 25,188,952,002.47
  5. Step 5: Solve for x
    x = 25,188,952,002.47/181,263.17
  6. Step 6: Final answer
    x = 138,963.43

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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.