Home / 199,140.39-274,816.17-114,265.35

Finding the Fourth Proportional to 199,140.39, 274,816.17 and 114,265.35

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Solution

The fourth proportional to 199,140.39, 274,816.17 and 114,265.35 is: 157,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,140.39 : 274,816.17 = 114,265.35 : x
  2. Step 2: Convert to fraction form
    199,140.39/274,816.17 = 114,265.35/x
  3. Step 3: Cross multiply
    199,140.39x = 274,816.17 × 114,265.35
  4. Step 4: Simplify right side
    199,140.39x = 31,401,965,850.71
  5. Step 5: Solve for x
    x = 31,401,965,850.71/199,140.39
  6. Step 6: Final answer
    x = 157,687.58

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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.