Home / 231,932.55-347,844.30-130,774.08

Finding the Fourth Proportional to 231,932.55, 347,844.30 and 130,774.08

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Solution

The fourth proportional to 231,932.55, 347,844.30 and 130,774.08 is: 196,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,932.55 : 347,844.30 = 130,774.08 : x
  2. Step 2: Convert to fraction form
    231,932.55/347,844.30 = 130,774.08/x
  3. Step 3: Cross multiply
    231,932.55x = 347,844.30 × 130,774.08
  4. Step 4: Simplify right side
    231,932.55x = 45,489,018,315.74
  5. Step 5: Solve for x
    x = 45,489,018,315.74/231,932.55
  6. Step 6: Final answer
    x = 196,130.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.