Home / 143,952.36-198,668.28-107,590.56

Finding the Fourth Proportional to 143,952.36, 198,668.28 and 107,590.56

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Solution

The fourth proportional to 143,952.36, 198,668.28 and 107,590.56 is: 148,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,952.36 : 198,668.28 = 107,590.56 : x
  2. Step 2: Convert to fraction form
    143,952.36/198,668.28 = 107,590.56/x
  3. Step 3: Cross multiply
    143,952.36x = 198,668.28 × 107,590.56
  4. Step 4: Simplify right side
    143,952.36x = 21,374,831,499.44
  5. Step 5: Solve for x
    x = 21,374,831,499.44/143,952.36
  6. Step 6: Final answer
    x = 148,485.45

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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.