Home / 269,151.56-371,437.54-154,451.20

Finding the Fourth Proportional to 269,151.56, 371,437.54 and 154,451.20

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Solution

The fourth proportional to 269,151.56, 371,437.54 and 154,451.20 is: 213,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,151.56 : 371,437.54 = 154,451.20 : x
  2. Step 2: Convert to fraction form
    269,151.56/371,437.54 = 154,451.20/x
  3. Step 3: Cross multiply
    269,151.56x = 371,437.54 × 154,451.20
  4. Step 4: Simplify right side
    269,151.56x = 57,368,974,706.64
  5. Step 5: Solve for x
    x = 57,368,974,706.64/269,151.56
  6. Step 6: Final answer
    x = 213,147.48

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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.