Home / 257,722.90-386,771.66-194,621.06

Finding the Fourth Proportional to 257,722.90, 386,771.66 and 194,621.06

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Solution

The fourth proportional to 257,722.90, 386,771.66 and 194,621.06 is: 292,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,722.90 : 386,771.66 = 194,621.06 : x
  2. Step 2: Convert to fraction form
    257,722.90/386,771.66 = 194,621.06/x
  3. Step 3: Cross multiply
    257,722.90x = 386,771.66 × 194,621.06
  4. Step 4: Simplify right side
    257,722.90x = 75,273,911,170.81
  5. Step 5: Solve for x
    x = 75,273,911,170.81/257,722.90
  6. Step 6: Final answer
    x = 292,073.04

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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.