Home / 247,764.39-341,938.65-138,868.19

Finding the Fourth Proportional to 247,764.39, 341,938.65 and 138,868.19

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Solution

The fourth proportional to 247,764.39, 341,938.65 and 138,868.19 is: 191,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,764.39 : 341,938.65 = 138,868.19 : x
  2. Step 2: Convert to fraction form
    247,764.39/341,938.65 = 138,868.19/x
  3. Step 3: Cross multiply
    247,764.39x = 341,938.65 × 138,868.19
  4. Step 4: Simplify right side
    247,764.39x = 47,484,399,706.85
  5. Step 5: Solve for x
    x = 47,484,399,706.85/247,764.39
  6. Step 6: Final answer
    x = 191,651.43

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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.