Home / 122,284.56-168,746.76-68,575.44

Finding the Fourth Proportional to 122,284.56, 168,746.76 and 68,575.44

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Solution

The fourth proportional to 122,284.56, 168,746.76 and 68,575.44 is: 94,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,284.56 : 168,746.76 = 68,575.44 : x
  2. Step 2: Convert to fraction form
    122,284.56/168,746.76 = 68,575.44/x
  3. Step 3: Cross multiply
    122,284.56x = 168,746.76 × 68,575.44
  4. Step 4: Simplify right side
    122,284.56x = 11,571,883,315.57
  5. Step 5: Solve for x
    x = 11,571,883,315.57/122,284.56
  6. Step 6: Final answer
    x = 94,630.78

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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.