Home / 188,929.60-260,721.12-104,044.84

Finding the Fourth Proportional to 188,929.60, 260,721.12 and 104,044.84

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Solution

The fourth proportional to 188,929.60, 260,721.12 and 104,044.84 is: 143,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,929.60 : 260,721.12 = 104,044.84 : x
  2. Step 2: Convert to fraction form
    188,929.60/260,721.12 = 104,044.84/x
  3. Step 3: Cross multiply
    188,929.60x = 260,721.12 × 104,044.84
  4. Step 4: Simplify right side
    188,929.60x = 27,126,687,215.02
  5. Step 5: Solve for x
    x = 27,126,687,215.02/188,929.60
  6. Step 6: Final answer
    x = 143,580.93

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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.