Home / 154,033.65-231,072.51-47,426.62

Finding the Fourth Proportional to 154,033.65, 231,072.51 and 47,426.62

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Solution

The fourth proportional to 154,033.65, 231,072.51 and 47,426.62 is: 71,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.65 : 231,072.51 = 47,426.62 : x
  2. Step 2: Convert to fraction form
    154,033.65/231,072.51 = 47,426.62/x
  3. Step 3: Cross multiply
    154,033.65x = 231,072.51 × 47,426.62
  4. Step 4: Simplify right side
    154,033.65x = 10,958,988,005.65
  5. Step 5: Solve for x
    x = 10,958,988,005.65/154,033.65
  6. Step 6: Final answer
    x = 71,146.72

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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.