Home / 112,414.80-168,625.08-53,236.56

Finding the Fourth Proportional to 112,414.80, 168,625.08 and 53,236.56

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Solution

The fourth proportional to 112,414.80, 168,625.08 and 53,236.56 is: 79,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,414.80 : 168,625.08 = 53,236.56 : x
  2. Step 2: Convert to fraction form
    112,414.80/168,625.08 = 53,236.56/x
  3. Step 3: Cross multiply
    112,414.80x = 168,625.08 × 53,236.56
  4. Step 4: Simplify right side
    112,414.80x = 8,977,019,188.92
  5. Step 5: Solve for x
    x = 8,977,019,188.92/112,414.80
  6. Step 6: Final answer
    x = 79,856.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.