Home / 175,454.24-242,112.10-103,821.80

Finding the Fourth Proportional to 175,454.24, 242,112.10 and 103,821.80

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Solution

The fourth proportional to 175,454.24, 242,112.10 and 103,821.80 is: 143,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,454.24 : 242,112.10 = 103,821.80 : x
  2. Step 2: Convert to fraction form
    175,454.24/242,112.10 = 103,821.80/x
  3. Step 3: Cross multiply
    175,454.24x = 242,112.10 × 103,821.80
  4. Step 4: Simplify right side
    175,454.24x = 25,136,514,023.78
  5. Step 5: Solve for x
    x = 25,136,514,023.78/175,454.24
  6. Step 6: Final answer
    x = 143,265.36

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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.