Home / 147,367.06-221,083.80-53,872

Finding the Fourth Proportional to 147,367.06, 221,083.80 and 53,872

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Solution

The fourth proportional to 147,367.06, 221,083.80 and 53,872 is: 80,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,367.06 : 221,083.80 = 53,872 : x
  2. Step 2: Convert to fraction form
    147,367.06/221,083.80 = 53,872/x
  3. Step 3: Cross multiply
    147,367.06x = 221,083.80 × 53,872
  4. Step 4: Simplify right side
    147,367.06x = 11,910,226,473.60
  5. Step 5: Solve for x
    x = 11,910,226,473.60/147,367.06
  6. Step 6: Final answer
    x = 80,820.14

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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.