Home / 269,203.11-371,502.78-148,348.72

Finding the Fourth Proportional to 269,203.11, 371,502.78 and 148,348.72

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Solution

The fourth proportional to 269,203.11, 371,502.78 and 148,348.72 is: 204,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,203.11 : 371,502.78 = 148,348.72 : x
  2. Step 2: Convert to fraction form
    269,203.11/371,502.78 = 148,348.72/x
  3. Step 3: Cross multiply
    269,203.11x = 371,502.78 × 148,348.72
  4. Step 4: Simplify right side
    269,203.11x = 55,111,961,889.44
  5. Step 5: Solve for x
    x = 55,111,961,889.44/269,203.11
  6. Step 6: Final answer
    x = 204,722.60

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1.5x scale

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.