Home / 312,422.07-468,536.24-112,716.51

Finding the Fourth Proportional to 312,422.07, 468,536.24 and 112,716.51

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Solution

The fourth proportional to 312,422.07, 468,536.24 and 112,716.51 is: 169,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,422.07 : 468,536.24 = 112,716.51 : x
  2. Step 2: Convert to fraction form
    312,422.07/468,536.24 = 112,716.51/x
  3. Step 3: Cross multiply
    312,422.07x = 468,536.24 × 112,716.51
  4. Step 4: Simplify right side
    312,422.07x = 52,811,767,720.43
  5. Step 5: Solve for x
    x = 52,811,767,720.43/312,422.07
  6. Step 6: Final answer
    x = 169,039.81

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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.