Home / 175,223.20-262,489.20-162,781.60

Finding the Fourth Proportional to 175,223.20, 262,489.20 and 162,781.60

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Solution

The fourth proportional to 175,223.20, 262,489.20 and 162,781.60 is: 243,851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,223.20 : 262,489.20 = 162,781.60 : x
  2. Step 2: Convert to fraction form
    175,223.20/262,489.20 = 162,781.60/x
  3. Step 3: Cross multiply
    175,223.20x = 262,489.20 × 162,781.60
  4. Step 4: Simplify right side
    175,223.20x = 42,728,411,958.72
  5. Step 5: Solve for x
    x = 42,728,411,958.72/175,223.20
  6. Step 6: Final answer
    x = 243,851.34

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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.