Home / 148,656.24-205,138.44-85,001.04

Finding the Fourth Proportional to 148,656.24, 205,138.44 and 85,001.04

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Solution

The fourth proportional to 148,656.24, 205,138.44 and 85,001.04 is: 117,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,656.24 : 205,138.44 = 85,001.04 : x
  2. Step 2: Convert to fraction form
    148,656.24/205,138.44 = 85,001.04/x
  3. Step 3: Cross multiply
    148,656.24x = 205,138.44 × 85,001.04
  4. Step 4: Simplify right side
    148,656.24x = 17,436,980,743.98
  5. Step 5: Solve for x
    x = 17,436,980,743.98/148,656.24
  6. Step 6: Final answer
    x = 117,297.33

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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.