Home / 342,338.20-472,427.13-187,291.44

Finding the Fourth Proportional to 342,338.20, 472,427.13 and 187,291.44

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Solution

The fourth proportional to 342,338.20, 472,427.13 and 187,291.44 is: 258,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,338.20 : 472,427.13 = 187,291.44 : x
  2. Step 2: Convert to fraction form
    342,338.20/472,427.13 = 187,291.44/x
  3. Step 3: Cross multiply
    342,338.20x = 472,427.13 × 187,291.44
  4. Step 4: Simplify right side
    342,338.20x = 88,481,555,355.24
  5. Step 5: Solve for x
    x = 88,481,555,355.24/342,338.20
  6. Step 6: Final answer
    x = 258,462.41

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1.5x scale

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.