Home / 113,249.10-156,292.42-67,928.80

Finding the Fourth Proportional to 113,249.10, 156,292.42 and 67,928.80

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Solution

The fourth proportional to 113,249.10, 156,292.42 and 67,928.80 is: 93,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,249.10 : 156,292.42 = 67,928.80 : x
  2. Step 2: Convert to fraction form
    113,249.10/156,292.42 = 67,928.80/x
  3. Step 3: Cross multiply
    113,249.10x = 156,292.42 × 67,928.80
  4. Step 4: Simplify right side
    113,249.10x = 10,616,756,539.70
  5. Step 5: Solve for x
    x = 10,616,756,539.70/113,249.10
  6. Step 6: Final answer
    x = 93,746.94

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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.