Home / 340,512.08-469,909.85-187,550.82

Finding the Fourth Proportional to 340,512.08, 469,909.85 and 187,550.82

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Solution

The fourth proportional to 340,512.08, 469,909.85 and 187,550.82 is: 258,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,512.08 : 469,909.85 = 187,550.82 : x
  2. Step 2: Convert to fraction form
    340,512.08/469,909.85 = 187,550.82/x
  3. Step 3: Cross multiply
    340,512.08x = 469,909.85 × 187,550.82
  4. Step 4: Simplify right side
    340,512.08x = 88,131,978,142.49
  5. Step 5: Solve for x
    x = 88,131,978,142.49/340,512.08
  6. Step 6: Final answer
    x = 258,821.88

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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.