Home / 113,635.26-156,816.98-68,339.19

Finding the Fourth Proportional to 113,635.26, 156,816.98 and 68,339.19

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Solution

The fourth proportional to 113,635.26, 156,816.98 and 68,339.19 is: 94,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,635.26 : 156,816.98 = 68,339.19 : x
  2. Step 2: Convert to fraction form
    113,635.26/156,816.98 = 68,339.19/x
  3. Step 3: Cross multiply
    113,635.26x = 156,816.98 × 68,339.19
  4. Step 4: Simplify right side
    113,635.26x = 10,716,745,049.75
  5. Step 5: Solve for x
    x = 10,716,745,049.75/113,635.26
  6. Step 6: Final answer
    x = 94,308.27

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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.