Home / 340,144.11-469,403.19-187,199.91

Finding the Fourth Proportional to 340,144.11, 469,403.19 and 187,199.91

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Solution

The fourth proportional to 340,144.11, 469,403.19 and 187,199.91 is: 258,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,144.11 : 469,403.19 = 187,199.91 : x
  2. Step 2: Convert to fraction form
    340,144.11/469,403.19 = 187,199.91/x
  3. Step 3: Cross multiply
    340,144.11x = 469,403.19 × 187,199.91
  4. Step 4: Simplify right side
    340,144.11x = 87,872,234,921.71
  5. Step 5: Solve for x
    x = 87,872,234,921.71/340,144.11
  6. Step 6: Final answer
    x = 258,338.25

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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.