Home / 118,279.46-163,201.28-67,968.74

Finding the Fourth Proportional to 118,279.46, 163,201.28 and 67,968.74

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Solution

The fourth proportional to 118,279.46, 163,201.28 and 67,968.74 is: 93,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,279.46 : 163,201.28 = 67,968.74 : x
  2. Step 2: Convert to fraction form
    118,279.46/163,201.28 = 67,968.74/x
  3. Step 3: Cross multiply
    118,279.46x = 163,201.28 × 67,968.74
  4. Step 4: Simplify right side
    118,279.46x = 11,092,585,367.99
  5. Step 5: Solve for x
    x = 11,092,585,367.99/118,279.46
  6. Step 6: Final answer
    x = 93,782.85

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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.