Home / 240,178.44-331,399.14-144,690.36

Finding the Fourth Proportional to 240,178.44, 331,399.14 and 144,690.36

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Solution

The fourth proportional to 240,178.44, 331,399.14 and 144,690.36 is: 199,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,178.44 : 331,399.14 = 144,690.36 : x
  2. Step 2: Convert to fraction form
    240,178.44/331,399.14 = 144,690.36/x
  3. Step 3: Cross multiply
    240,178.44x = 331,399.14 × 144,690.36
  4. Step 4: Simplify right side
    240,178.44x = 47,950,260,870.29
  5. Step 5: Solve for x
    x = 47,950,260,870.29/240,178.44
  6. Step 6: Final answer
    x = 199,644.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.