Home / 144,022.10-215,860.35-73,865.30

Finding the Fourth Proportional to 144,022.10, 215,860.35 and 73,865.30

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Solution

The fourth proportional to 144,022.10, 215,860.35 and 73,865.30 is: 110,709.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,022.10 : 215,860.35 = 73,865.30 : x
  2. Step 2: Convert to fraction form
    144,022.10/215,860.35 = 73,865.30/x
  3. Step 3: Cross multiply
    144,022.10x = 215,860.35 × 73,865.30
  4. Step 4: Simplify right side
    144,022.10x = 15,944,589,510.86
  5. Step 5: Solve for x
    x = 15,944,589,510.86/144,022.10
  6. Step 6: Final answer
    x = 110,709.33

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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.