Home / 188,928.60-283,392.42-70,609.20

Finding the Fourth Proportional to 188,928.60, 283,392.42 and 70,609.20

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Solution

The fourth proportional to 188,928.60, 283,392.42 and 70,609.20 is: 105,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,928.60 : 283,392.42 = 70,609.20 : x
  2. Step 2: Convert to fraction form
    188,928.60/283,392.42 = 70,609.20/x
  3. Step 3: Cross multiply
    188,928.60x = 283,392.42 × 70,609.20
  4. Step 4: Simplify right side
    188,928.60x = 20,010,112,062.26
  5. Step 5: Solve for x
    x = 20,010,112,062.26/188,928.60
  6. Step 6: Final answer
    x = 105,913.62

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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.