Home / 281,787.90-388,883.28-167,134.44

Finding the Fourth Proportional to 281,787.90, 388,883.28 and 167,134.44

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Solution

The fourth proportional to 281,787.90, 388,883.28 and 167,134.44 is: 230,655.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,787.90 : 388,883.28 = 167,134.44 : x
  2. Step 2: Convert to fraction form
    281,787.90/388,883.28 = 167,134.44/x
  3. Step 3: Cross multiply
    281,787.90x = 388,883.28 × 167,134.44
  4. Step 4: Simplify right side
    281,787.90x = 64,995,789,228.16
  5. Step 5: Solve for x
    x = 64,995,789,228.16/281,787.90
  6. Step 6: Final answer
    x = 230,655.00

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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.