Home / 247,765.39-341,940.03-138,869.19

Finding the Fourth Proportional to 247,765.39, 341,940.03 and 138,869.19

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Solution

The fourth proportional to 247,765.39, 341,940.03 and 138,869.19 is: 191,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,765.39 : 341,940.03 = 138,869.19 : x
  2. Step 2: Convert to fraction form
    247,765.39/341,940.03 = 138,869.19/x
  3. Step 3: Cross multiply
    247,765.39x = 341,940.03 × 138,869.19
  4. Step 4: Simplify right side
    247,765.39x = 47,484,934,994.68
  5. Step 5: Solve for x
    x = 47,484,934,994.68/247,765.39
  6. Step 6: Final answer
    x = 191,652.82

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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.