Home / 269,379.33-371,983.78-256,618.19

Finding the Fourth Proportional to 269,379.33, 371,983.78 and 256,618.19

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Solution

The fourth proportional to 269,379.33, 371,983.78 and 256,618.19 is: 354,362.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,379.33 : 371,983.78 = 256,618.19 : x
  2. Step 2: Convert to fraction form
    269,379.33/371,983.78 = 256,618.19/x
  3. Step 3: Cross multiply
    269,379.33x = 371,983.78 × 256,618.19
  4. Step 4: Simplify right side
    269,379.33x = 95,457,804,332.96
  5. Step 5: Solve for x
    x = 95,457,804,332.96/269,379.33
  6. Step 6: Final answer
    x = 354,362.02

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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.