Home / 259,917.12-389,795.04-93,683.52

Finding the Fourth Proportional to 259,917.12, 389,795.04 and 93,683.52

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Solution

The fourth proportional to 259,917.12, 389,795.04 and 93,683.52 is: 140,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,917.12 : 389,795.04 = 93,683.52 : x
  2. Step 2: Convert to fraction form
    259,917.12/389,795.04 = 93,683.52/x
  3. Step 3: Cross multiply
    259,917.12x = 389,795.04 × 93,683.52
  4. Step 4: Simplify right side
    259,917.12x = 36,517,371,425.74
  5. Step 5: Solve for x
    x = 36,517,371,425.74/259,917.12
  6. Step 6: Final answer
    x = 140,496.21

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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.