Home / 147,791.48-221,775.54-54,306.68

Finding the Fourth Proportional to 147,791.48, 221,775.54 and 54,306.68

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Solution

The fourth proportional to 147,791.48, 221,775.54 and 54,306.68 is: 81,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,791.48 : 221,775.54 = 54,306.68 : x
  2. Step 2: Convert to fraction form
    147,791.48/221,775.54 = 54,306.68/x
  3. Step 3: Cross multiply
    147,791.48x = 221,775.54 × 54,306.68
  4. Step 4: Simplify right side
    147,791.48x = 12,043,893,282.61
  5. Step 5: Solve for x
    x = 12,043,893,282.61/147,791.48
  6. Step 6: Final answer
    x = 81,492.47

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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.