Home / 192,691.14-288,662.69-141,998.18

Finding the Fourth Proportional to 192,691.14, 288,662.69 and 141,998.18

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Solution

The fourth proportional to 192,691.14, 288,662.69 and 141,998.18 is: 212,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,691.14 : 288,662.69 = 141,998.18 : x
  2. Step 2: Convert to fraction form
    192,691.14/288,662.69 = 141,998.18/x
  3. Step 3: Cross multiply
    192,691.14x = 288,662.69 × 141,998.18
  4. Step 4: Simplify right side
    192,691.14x = 40,989,574,460.60
  5. Step 5: Solve for x
    x = 40,989,574,460.60/192,691.14
  6. Step 6: Final answer
    x = 212,721.64

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1.5x scale

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.