Home / 188,441.12-260,050.20-103,559.60

Finding the Fourth Proportional to 188,441.12, 260,050.20 and 103,559.60

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Solution

The fourth proportional to 188,441.12, 260,050.20 and 103,559.60 is: 142,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,441.12 : 260,050.20 = 103,559.60 : x
  2. Step 2: Convert to fraction form
    188,441.12/260,050.20 = 103,559.60/x
  3. Step 3: Cross multiply
    188,441.12x = 260,050.20 × 103,559.60
  4. Step 4: Simplify right side
    188,441.12x = 26,930,694,691.92
  5. Step 5: Solve for x
    x = 26,930,694,691.92/188,441.12
  6. Step 6: Final answer
    x = 142,913.05

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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.