Home / 144,899.18-217,323.86-38,284.28

Finding the Fourth Proportional to 144,899.18, 217,323.86 and 38,284.28

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Solution

The fourth proportional to 144,899.18, 217,323.86 and 38,284.28 is: 57,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,899.18 : 217,323.86 = 38,284.28 : x
  2. Step 2: Convert to fraction form
    144,899.18/217,323.86 = 38,284.28/x
  3. Step 3: Cross multiply
    144,899.18x = 217,323.86 × 38,284.28
  4. Step 4: Simplify right side
    144,899.18x = 8,320,086,228.88
  5. Step 5: Solve for x
    x = 8,320,086,228.88/144,899.18
  6. Step 6: Final answer
    x = 57,419.83

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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.