Home / 347,623.13-479,719.91-188,647.13

Finding the Fourth Proportional to 347,623.13, 479,719.91 and 188,647.13

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Solution

The fourth proportional to 347,623.13, 479,719.91 and 188,647.13 is: 260,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,623.13 : 479,719.91 = 188,647.13 : x
  2. Step 2: Convert to fraction form
    347,623.13/479,719.91 = 188,647.13/x
  3. Step 3: Cross multiply
    347,623.13x = 479,719.91 × 188,647.13
  4. Step 4: Simplify right side
    347,623.13x = 90,497,782,298.38
  5. Step 5: Solve for x
    x = 90,497,782,298.38/347,623.13
  6. Step 6: Final answer
    x = 260,333.03

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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.