Home / 345,336.24-517,868.22-167,790.72

Finding the Fourth Proportional to 345,336.24, 517,868.22 and 167,790.72

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Solution

The fourth proportional to 345,336.24, 517,868.22 and 167,790.72 is: 251,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,336.24 : 517,868.22 = 167,790.72 : x
  2. Step 2: Convert to fraction form
    345,336.24/517,868.22 = 167,790.72/x
  3. Step 3: Cross multiply
    345,336.24x = 517,868.22 × 167,790.72
  4. Step 4: Simplify right side
    345,336.24x = 86,893,481,498.92
  5. Step 5: Solve for x
    x = 86,893,481,498.92/345,336.24
  6. Step 6: Final answer
    x = 251,619.93

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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.