Home / 266,721.53-368,072.17-152,007.03

Finding the Fourth Proportional to 266,721.53, 368,072.17 and 152,007.03

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Solution

The fourth proportional to 266,721.53, 368,072.17 and 152,007.03 is: 209,767.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,721.53 : 368,072.17 = 152,007.03 : x
  2. Step 2: Convert to fraction form
    266,721.53/368,072.17 = 152,007.03/x
  3. Step 3: Cross multiply
    266,721.53x = 368,072.17 × 152,007.03
  4. Step 4: Simplify right side
    266,721.53x = 55,949,557,007.34
  5. Step 5: Solve for x
    x = 55,949,557,007.34/266,721.53
  6. Step 6: Final answer
    x = 209,767.69

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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.