Home / 231,934.56-347,847.30-130,776.08

Finding the Fourth Proportional to 231,934.56, 347,847.30 and 130,776.08

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Solution

The fourth proportional to 231,934.56, 347,847.30 and 130,776.08 is: 196,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,934.56 : 347,847.30 = 130,776.08 : x
  2. Step 2: Convert to fraction form
    231,934.56/347,847.30 = 130,776.08/x
  3. Step 3: Cross multiply
    231,934.56x = 347,847.30 × 130,776.08
  4. Step 4: Simplify right side
    231,934.56x = 45,490,106,332.58
  5. Step 5: Solve for x
    x = 45,490,106,332.58/231,934.56
  6. Step 6: Final answer
    x = 196,133.37

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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.