Home / 237,131.20-355,664.40-70,919.20

Finding the Fourth Proportional to 237,131.20, 355,664.40 and 70,919.20

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Solution

The fourth proportional to 237,131.20, 355,664.40 and 70,919.20 is: 106,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,131.20 : 355,664.40 = 70,919.20 : x
  2. Step 2: Convert to fraction form
    237,131.20/355,664.40 = 70,919.20/x
  3. Step 3: Cross multiply
    237,131.20x = 355,664.40 × 70,919.20
  4. Step 4: Simplify right side
    237,131.20x = 25,223,434,716.48
  5. Step 5: Solve for x
    x = 25,223,434,716.48/237,131.20
  6. Step 6: Final answer
    x = 106,369.11

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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.