Home / 147,355.07-221,042.33-53,926.43

Finding the Fourth Proportional to 147,355.07, 221,042.33 and 53,926.43

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Solution

The fourth proportional to 147,355.07, 221,042.33 and 53,926.43 is: 80,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,355.07 : 221,042.33 = 53,926.43 : x
  2. Step 2: Convert to fraction form
    147,355.07/221,042.33 = 53,926.43/x
  3. Step 3: Cross multiply
    147,355.07x = 221,042.33 × 53,926.43
  4. Step 4: Simplify right side
    147,355.07x = 11,920,023,735.78
  5. Step 5: Solve for x
    x = 11,920,023,735.78/147,355.07
  6. Step 6: Final answer
    x = 80,893.20

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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.