Home / 382,368.07-527,640.51-210,297.97

Finding the Fourth Proportional to 382,368.07, 527,640.51 and 210,297.97

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Solution

The fourth proportional to 382,368.07, 527,640.51 and 210,297.97 is: 290,196.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,368.07 : 527,640.51 = 210,297.97 : x
  2. Step 2: Convert to fraction form
    382,368.07/527,640.51 = 210,297.97/x
  3. Step 3: Cross multiply
    382,368.07x = 527,640.51 × 210,297.97
  4. Step 4: Simplify right side
    382,368.07x = 110,961,728,142.77
  5. Step 5: Solve for x
    x = 110,961,728,142.77/382,368.07
  6. Step 6: Final answer
    x = 290,196.11

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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.