Home / 114,418.20-171,627.30-103,531.80

Finding the Fourth Proportional to 114,418.20, 171,627.30 and 103,531.80

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Solution

The fourth proportional to 114,418.20, 171,627.30 and 103,531.80 is: 155,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,418.20 : 171,627.30 = 103,531.80 : x
  2. Step 2: Convert to fraction form
    114,418.20/171,627.30 = 103,531.80/x
  3. Step 3: Cross multiply
    114,418.20x = 171,627.30 × 103,531.80
  4. Step 4: Simplify right side
    114,418.20x = 17,768,883,298.14
  5. Step 5: Solve for x
    x = 17,768,883,298.14/114,418.20
  6. Step 6: Final answer
    x = 155,297.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.