Home / 251,233.56-346,761.90-143,865.22

Finding the Fourth Proportional to 251,233.56, 346,761.90 and 143,865.22

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Solution

The fourth proportional to 251,233.56, 346,761.90 and 143,865.22 is: 198,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,233.56 : 346,761.90 = 143,865.22 : x
  2. Step 2: Convert to fraction form
    251,233.56/346,761.90 = 143,865.22/x
  3. Step 3: Cross multiply
    251,233.56x = 346,761.90 × 143,865.22
  4. Step 4: Simplify right side
    251,233.56x = 49,886,977,031.12
  5. Step 5: Solve for x
    x = 49,886,977,031.12/251,233.56
  6. Step 6: Final answer
    x = 198,568.13

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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.