Home / 205,172.19-307,761.93-110,479.95

Finding the Fourth Proportional to 205,172.19, 307,761.93 and 110,479.95

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Solution

The fourth proportional to 205,172.19, 307,761.93 and 110,479.95 is: 165,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,172.19 : 307,761.93 = 110,479.95 : x
  2. Step 2: Convert to fraction form
    205,172.19/307,761.93 = 110,479.95/x
  3. Step 3: Cross multiply
    205,172.19x = 307,761.93 × 110,479.95
  4. Step 4: Simplify right side
    205,172.19x = 34,001,522,638.30
  5. Step 5: Solve for x
    x = 34,001,522,638.30/205,172.19
  6. Step 6: Final answer
    x = 165,721.89

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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.