Home / 154,227.33-212,799.21-89,675.29

Finding the Fourth Proportional to 154,227.33, 212,799.21 and 89,675.29

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Solution

The fourth proportional to 154,227.33, 212,799.21 and 89,675.29 is: 123,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,227.33 : 212,799.21 = 89,675.29 : x
  2. Step 2: Convert to fraction form
    154,227.33/212,799.21 = 89,675.29/x
  3. Step 3: Cross multiply
    154,227.33x = 212,799.21 × 89,675.29
  4. Step 4: Simplify right side
    154,227.33x = 19,082,830,868.52
  5. Step 5: Solve for x
    x = 19,082,830,868.52/154,227.33
  6. Step 6: Final answer
    x = 123,731.84

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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.