Home / 231,050.49-346,608.80-71,139.96

Finding the Fourth Proportional to 231,050.49, 346,608.80 and 71,139.96

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Solution

The fourth proportional to 231,050.49, 346,608.80 and 71,139.96 is: 106,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,050.49 : 346,608.80 = 71,139.96 : x
  2. Step 2: Convert to fraction form
    231,050.49/346,608.80 = 71,139.96/x
  3. Step 3: Cross multiply
    231,050.49x = 346,608.80 × 71,139.96
  4. Step 4: Simplify right side
    231,050.49x = 24,657,734,078.90
  5. Step 5: Solve for x
    x = 24,657,734,078.90/231,050.49
  6. Step 6: Final answer
    x = 106,720.11

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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.