Home / 341,998.06-513,052.21-105,340.63

Finding the Fourth Proportional to 341,998.06, 513,052.21 and 105,340.63

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Solution

The fourth proportional to 341,998.06, 513,052.21 and 105,340.63 is: 158,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,998.06 : 513,052.21 = 105,340.63 : x
  2. Step 2: Convert to fraction form
    341,998.06/513,052.21 = 105,340.63/x
  3. Step 3: Cross multiply
    341,998.06x = 513,052.21 × 105,340.63
  4. Step 4: Simplify right side
    341,998.06x = 54,045,239,932.33
  5. Step 5: Solve for x
    x = 54,045,239,932.33/341,998.06
  6. Step 6: Final answer
    x = 158,027.92

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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.