Home / 235,375.14-324,864.95-139,863.36

Finding the Fourth Proportional to 235,375.14, 324,864.95 and 139,863.36

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Solution

The fourth proportional to 235,375.14, 324,864.95 and 139,863.36 is: 193,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,375.14 : 324,864.95 = 139,863.36 : x
  2. Step 2: Convert to fraction form
    235,375.14/324,864.95 = 139,863.36/x
  3. Step 3: Cross multiply
    235,375.14x = 324,864.95 × 139,863.36
  4. Step 4: Simplify right side
    235,375.14x = 45,436,702,753.92
  5. Step 5: Solve for x
    x = 45,436,702,753.92/235,375.14
  6. Step 6: Final answer
    x = 193,039.51

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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.