Home / 159,777.04-220,572.21-99,367.14

Finding the Fourth Proportional to 159,777.04, 220,572.21 and 99,367.14

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Solution

The fourth proportional to 159,777.04, 220,572.21 and 99,367.14 is: 137,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,777.04 : 220,572.21 = 99,367.14 : x
  2. Step 2: Convert to fraction form
    159,777.04/220,572.21 = 99,367.14/x
  3. Step 3: Cross multiply
    159,777.04x = 220,572.21 × 99,367.14
  4. Step 4: Simplify right side
    159,777.04x = 21,917,629,671.18
  5. Step 5: Solve for x
    x = 21,917,629,671.18/159,777.04
  6. Step 6: Final answer
    x = 137,176.34

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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.