Home / 231,053.10-346,612.70-71,142.56

Finding the Fourth Proportional to 231,053.10, 346,612.70 and 71,142.56

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Solution

The fourth proportional to 231,053.10, 346,612.70 and 71,142.56 is: 106,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,053.10 : 346,612.70 = 71,142.56 : x
  2. Step 2: Convert to fraction form
    231,053.10/346,612.70 = 71,142.56/x
  3. Step 3: Cross multiply
    231,053.10x = 346,612.70 × 71,142.56
  4. Step 4: Simplify right side
    231,053.10x = 24,658,914,806.51
  5. Step 5: Solve for x
    x = 24,658,914,806.51/231,053.10
  6. Step 6: Final answer
    x = 106,724.02

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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.