Home / 113,511.36-156,589.56-68,167.56

Finding the Fourth Proportional to 113,511.36, 156,589.56 and 68,167.56

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Solution

The fourth proportional to 113,511.36, 156,589.56 and 68,167.56 is: 94,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,511.36 : 156,589.56 = 68,167.56 : x
  2. Step 2: Convert to fraction form
    113,511.36/156,589.56 = 68,167.56/x
  3. Step 3: Cross multiply
    113,511.36x = 156,589.56 × 68,167.56
  4. Step 4: Simplify right side
    113,511.36x = 10,674,328,226.67
  5. Step 5: Solve for x
    x = 10,674,328,226.67/113,511.36
  6. Step 6: Final answer
    x = 94,037.53

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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.