Home / 113,559.60-170,339.40-111,226.80

Finding the Fourth Proportional to 113,559.60, 170,339.40 and 111,226.80

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Solution

The fourth proportional to 113,559.60, 170,339.40 and 111,226.80 is: 166,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,559.60 : 170,339.40 = 111,226.80 : x
  2. Step 2: Convert to fraction form
    113,559.60/170,339.40 = 111,226.80/x
  3. Step 3: Cross multiply
    113,559.60x = 170,339.40 × 111,226.80
  4. Step 4: Simplify right side
    113,559.60x = 18,946,306,375.92
  5. Step 5: Solve for x
    x = 18,946,306,375.92/113,559.60
  6. Step 6: Final answer
    x = 166,840.20

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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.