Home / 193,818.20-290,727.30-140,941.40

Finding the Fourth Proportional to 193,818.20, 290,727.30 and 140,941.40

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Solution

The fourth proportional to 193,818.20, 290,727.30 and 140,941.40 is: 211,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,818.20 : 290,727.30 = 140,941.40 : x
  2. Step 2: Convert to fraction form
    193,818.20/290,727.30 = 140,941.40/x
  3. Step 3: Cross multiply
    193,818.20x = 290,727.30 × 140,941.40
  4. Step 4: Simplify right side
    193,818.20x = 40,975,512,680.22
  5. Step 5: Solve for x
    x = 40,975,512,680.22/193,818.20
  6. Step 6: Final answer
    x = 211,412.10

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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.