Home / 269,761.49-372,263.79-148,900.18

Finding the Fourth Proportional to 269,761.49, 372,263.79 and 148,900.18

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Solution

The fourth proportional to 269,761.49, 372,263.79 and 148,900.18 is: 205,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,761.49 : 372,263.79 = 148,900.18 : x
  2. Step 2: Convert to fraction form
    269,761.49/372,263.79 = 148,900.18/x
  3. Step 3: Cross multiply
    269,761.49x = 372,263.79 × 148,900.18
  4. Step 4: Simplify right side
    269,761.49x = 55,430,144,966.20
  5. Step 5: Solve for x
    x = 55,430,144,966.20/269,761.49
  6. Step 6: Final answer
    x = 205,478.34

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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.