Home / 231,933.80-347,900.70-74,167.40

Finding the Fourth Proportional to 231,933.80, 347,900.70 and 74,167.40

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Solution

The fourth proportional to 231,933.80, 347,900.70 and 74,167.40 is: 111,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,933.80 : 347,900.70 = 74,167.40 : x
  2. Step 2: Convert to fraction form
    231,933.80/347,900.70 = 74,167.40/x
  3. Step 3: Cross multiply
    231,933.80x = 347,900.70 × 74,167.40
  4. Step 4: Simplify right side
    231,933.80x = 25,802,890,377.18
  5. Step 5: Solve for x
    x = 25,802,890,377.18/231,933.80
  6. Step 6: Final answer
    x = 111,251.10

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1.5x scale

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.