Home / 113,546.09-156,686.11-68,197.13

Finding the Fourth Proportional to 113,546.09, 156,686.11 and 68,197.13

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Solution

The fourth proportional to 113,546.09, 156,686.11 and 68,197.13 is: 94,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,546.09 : 156,686.11 = 68,197.13 : x
  2. Step 2: Convert to fraction form
    113,546.09/156,686.11 = 68,197.13/x
  3. Step 3: Cross multiply
    113,546.09x = 156,686.11 × 68,197.13
  4. Step 4: Simplify right side
    113,546.09x = 10,685,543,012.86
  5. Step 5: Solve for x
    x = 10,685,543,012.86/113,546.09
  6. Step 6: Final answer
    x = 94,107.54

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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.