Home / 122,558.76-169,195.68-82,483.20

Finding the Fourth Proportional to 122,558.76, 169,195.68 and 82,483.20

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Solution

The fourth proportional to 122,558.76, 169,195.68 and 82,483.20 is: 113,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,558.76 : 169,195.68 = 82,483.20 : x
  2. Step 2: Convert to fraction form
    122,558.76/169,195.68 = 82,483.20/x
  3. Step 3: Cross multiply
    122,558.76x = 169,195.68 × 82,483.20
  4. Step 4: Simplify right side
    122,558.76x = 13,955,801,112.58
  5. Step 5: Solve for x
    x = 13,955,801,112.58/122,558.76
  6. Step 6: Final answer
    x = 113,870.29

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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.