Home / 269,142.40-403,776.14-91,650.95

Finding the Fourth Proportional to 269,142.40, 403,776.14 and 91,650.95

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Solution

The fourth proportional to 269,142.40, 403,776.14 and 91,650.95 is: 137,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,142.40 : 403,776.14 = 91,650.95 : x
  2. Step 2: Convert to fraction form
    269,142.40/403,776.14 = 91,650.95/x
  3. Step 3: Cross multiply
    269,142.40x = 403,776.14 × 91,650.95
  4. Step 4: Simplify right side
    269,142.40x = 37,006,466,360.08
  5. Step 5: Solve for x
    x = 37,006,466,360.08/269,142.40
  6. Step 6: Final answer
    x = 137,497.72

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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.