Home / 251,704.93-347,346.24-136,985.83

Finding the Fourth Proportional to 251,704.93, 347,346.24 and 136,985.83

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Solution

The fourth proportional to 251,704.93, 347,346.24 and 136,985.83 is: 189,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,704.93 : 347,346.24 = 136,985.83 : x
  2. Step 2: Convert to fraction form
    251,704.93/347,346.24 = 136,985.83/x
  3. Step 3: Cross multiply
    251,704.93x = 347,346.24 × 136,985.83
  4. Step 4: Simplify right side
    251,704.93x = 47,581,512,983.78
  5. Step 5: Solve for x
    x = 47,581,512,983.78/251,704.93
  6. Step 6: Final answer
    x = 189,036.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.