Home / 143,970.69-215,997.52-44,145.60

Finding the Fourth Proportional to 143,970.69, 215,997.52 and 44,145.60

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Solution

The fourth proportional to 143,970.69, 215,997.52 and 44,145.60 is: 66,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,970.69 : 215,997.52 = 44,145.60 : x
  2. Step 2: Convert to fraction form
    143,970.69/215,997.52 = 44,145.60/x
  3. Step 3: Cross multiply
    143,970.69x = 215,997.52 × 44,145.60
  4. Step 4: Simplify right side
    143,970.69x = 9,535,340,118.91
  5. Step 5: Solve for x
    x = 9,535,340,118.91/143,970.69
  6. Step 6: Final answer
    x = 66,231.12

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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.