Home / 188,919.76-283,445.16-83,812.36

Finding the Fourth Proportional to 188,919.76, 283,445.16 and 83,812.36

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Solution

The fourth proportional to 188,919.76, 283,445.16 and 83,812.36 is: 125,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,919.76 : 283,445.16 = 83,812.36 : x
  2. Step 2: Convert to fraction form
    188,919.76/283,445.16 = 83,812.36/x
  3. Step 3: Cross multiply
    188,919.76x = 283,445.16 × 83,812.36
  4. Step 4: Simplify right side
    188,919.76x = 23,756,207,790.18
  5. Step 5: Solve for x
    x = 23,756,207,790.18/188,919.76
  6. Step 6: Final answer
    x = 125,747.61

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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.