Home / 113,733.36-156,923.28-68,396.76

Finding the Fourth Proportional to 113,733.36, 156,923.28 and 68,396.76

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Solution

The fourth proportional to 113,733.36, 156,923.28 and 68,396.76 is: 94,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,733.36 : 156,923.28 = 68,396.76 : x
  2. Step 2: Convert to fraction form
    113,733.36/156,923.28 = 68,396.76/x
  3. Step 3: Cross multiply
    113,733.36x = 156,923.28 × 68,396.76
  4. Step 4: Simplify right side
    113,733.36x = 10,733,043,920.57
  5. Step 5: Solve for x
    x = 10,733,043,920.57/113,733.36
  6. Step 6: Final answer
    x = 94,370.24

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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.