Home / 135,139.39-202,727.71-46,381.37

Finding the Fourth Proportional to 135,139.39, 202,727.71 and 46,381.37

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Solution

The fourth proportional to 135,139.39, 202,727.71 and 46,381.37 is: 69,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,139.39 : 202,727.71 = 46,381.37 : x
  2. Step 2: Convert to fraction form
    135,139.39/202,727.71 = 46,381.37/x
  3. Step 3: Cross multiply
    135,139.39x = 202,727.71 × 46,381.37
  4. Step 4: Simplify right side
    135,139.39x = 9,402,787,971.10
  5. Step 5: Solve for x
    x = 9,402,787,971.10/135,139.39
  6. Step 6: Final answer
    x = 69,578.44

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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.