Home / 269,415.86-371,765.40-148,549.95

Finding the Fourth Proportional to 269,415.86, 371,765.40 and 148,549.95

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Solution

The fourth proportional to 269,415.86, 371,765.40 and 148,549.95 is: 204,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,415.86 : 371,765.40 = 148,549.95 : x
  2. Step 2: Convert to fraction form
    269,415.86/371,765.40 = 148,549.95/x
  3. Step 3: Cross multiply
    269,415.86x = 371,765.40 × 148,549.95
  4. Step 4: Simplify right side
    269,415.86x = 55,225,731,024.67
  5. Step 5: Solve for x
    x = 55,225,731,024.67/269,415.86
  6. Step 6: Final answer
    x = 204,983.23

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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.