Home / 425,581.10-587,297.14-231,984.57

Finding the Fourth Proportional to 425,581.10, 587,297.14 and 231,984.57

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Solution

The fourth proportional to 425,581.10, 587,297.14 and 231,984.57 is: 320,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,581.10 : 587,297.14 = 231,984.57 : x
  2. Step 2: Convert to fraction form
    425,581.10/587,297.14 = 231,984.57/x
  3. Step 3: Cross multiply
    425,581.10x = 587,297.14 × 231,984.57
  4. Step 4: Simplify right side
    425,581.10x = 136,243,876,935.75
  5. Step 5: Solve for x
    x = 136,243,876,935.75/425,581.10
  6. Step 6: Final answer
    x = 320,136.11

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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.