Home / 113,819.20-170,858.40-67,098.40

Finding the Fourth Proportional to 113,819.20, 170,858.40 and 67,098.40

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Solution

The fourth proportional to 113,819.20, 170,858.40 and 67,098.40 is: 100,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,819.20 : 170,858.40 = 67,098.40 : x
  2. Step 2: Convert to fraction form
    113,819.20/170,858.40 = 67,098.40/x
  3. Step 3: Cross multiply
    113,819.20x = 170,858.40 × 67,098.40
  4. Step 4: Simplify right side
    113,819.20x = 11,464,325,266.56
  5. Step 5: Solve for x
    x = 11,464,325,266.56/113,819.20
  6. Step 6: Final answer
    x = 100,724.00

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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.