Home / 168,950.98-253,426.27-77,757.22

Finding the Fourth Proportional to 168,950.98, 253,426.27 and 77,757.22

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Solution

The fourth proportional to 168,950.98, 253,426.27 and 77,757.22 is: 116,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,950.98 : 253,426.27 = 77,757.22 : x
  2. Step 2: Convert to fraction form
    168,950.98/253,426.27 = 77,757.22/x
  3. Step 3: Cross multiply
    168,950.98x = 253,426.27 × 77,757.22
  4. Step 4: Simplify right side
    168,950.98x = 19,705,722,230.17
  5. Step 5: Solve for x
    x = 19,705,722,230.17/168,950.98
  6. Step 6: Final answer
    x = 116,635.74

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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.