Home / 113,734.36-156,924.66-68,397.76

Finding the Fourth Proportional to 113,734.36, 156,924.66 and 68,397.76

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Solution

The fourth proportional to 113,734.36, 156,924.66 and 68,397.76 is: 94,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,734.36 : 156,924.66 = 68,397.76 : x
  2. Step 2: Convert to fraction form
    113,734.36/156,924.66 = 68,397.76/x
  3. Step 3: Cross multiply
    113,734.36x = 156,924.66 × 68,397.76
  4. Step 4: Simplify right side
    113,734.36x = 10,733,295,232.76
  5. Step 5: Solve for x
    x = 10,733,295,232.76/113,734.36
  6. Step 6: Final answer
    x = 94,371.61

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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.