Home / 231,840.18-349,548.17-230,400.86

Finding the Fourth Proportional to 231,840.18, 349,548.17 and 230,400.86

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Solution

The fourth proportional to 231,840.18, 349,548.17 and 230,400.86 is: 347,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,840.18 : 349,548.17 = 230,400.86 : x
  2. Step 2: Convert to fraction form
    231,840.18/349,548.17 = 230,400.86/x
  3. Step 3: Cross multiply
    231,840.18x = 349,548.17 × 230,400.86
  4. Step 4: Simplify right side
    231,840.18x = 80,536,198,979.43
  5. Step 5: Solve for x
    x = 80,536,198,979.43/231,840.18
  6. Step 6: Final answer
    x = 347,378.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.