Home / 154,033.55-231,072.37-47,426.53

Finding the Fourth Proportional to 154,033.55, 231,072.37 and 47,426.53

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Solution

The fourth proportional to 154,033.55, 231,072.37 and 47,426.53 is: 71,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.55 : 231,072.37 = 47,426.53 : x
  2. Step 2: Convert to fraction form
    154,033.55/231,072.37 = 47,426.53/x
  3. Step 3: Cross multiply
    154,033.55x = 231,072.37 × 47,426.53
  4. Step 4: Simplify right side
    154,033.55x = 10,958,959,643.61
  5. Step 5: Solve for x
    x = 10,958,959,643.61/154,033.55
  6. Step 6: Final answer
    x = 71,146.58

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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.