Home / 154,487.25-231,719.31-47,872.02

Finding the Fourth Proportional to 154,487.25, 231,719.31 and 47,872.02

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Solution

The fourth proportional to 154,487.25, 231,719.31 and 47,872.02 is: 71,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,487.25 : 231,719.31 = 47,872.02 : x
  2. Step 2: Convert to fraction form
    154,487.25/231,719.31 = 47,872.02/x
  3. Step 3: Cross multiply
    154,487.25x = 231,719.31 × 47,872.02
  4. Step 4: Simplify right side
    154,487.25x = 11,092,871,442.71
  5. Step 5: Solve for x
    x = 11,092,871,442.71/154,487.25
  6. Step 6: Final answer
    x = 71,804.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.