Home / 251,261.10-376,906.01-71,332.45

Finding the Fourth Proportional to 251,261.10, 376,906.01 and 71,332.45

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Solution

The fourth proportional to 251,261.10, 376,906.01 and 71,332.45 is: 107,002.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,261.10 : 376,906.01 = 71,332.45 : x
  2. Step 2: Convert to fraction form
    251,261.10/376,906.01 = 71,332.45/x
  3. Step 3: Cross multiply
    251,261.10x = 376,906.01 × 71,332.45
  4. Step 4: Simplify right side
    251,261.10x = 26,885,627,814.10
  5. Step 5: Solve for x
    x = 26,885,627,814.10/251,261.10
  6. Step 6: Final answer
    x = 107,002.75

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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.