Home / 328,631.20-492,941.67-168,614.79

Finding the Fourth Proportional to 328,631.20, 492,941.67 and 168,614.79

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Solution

The fourth proportional to 328,631.20, 492,941.67 and 168,614.79 is: 252,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,631.20 : 492,941.67 = 168,614.79 : x
  2. Step 2: Convert to fraction form
    328,631.20/492,941.67 = 168,614.79/x
  3. Step 3: Cross multiply
    328,631.20x = 492,941.67 × 168,614.79
  4. Step 4: Simplify right side
    328,631.20x = 83,117,256,497.55
  5. Step 5: Solve for x
    x = 83,117,256,497.55/328,631.20
  6. Step 6: Final answer
    x = 252,919.55

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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.