Home / 119,995.88-165,638.50-72,251.24

Finding the Fourth Proportional to 119,995.88, 165,638.50 and 72,251.24

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Solution

The fourth proportional to 119,995.88, 165,638.50 and 72,251.24 is: 99,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,995.88 : 165,638.50 = 72,251.24 : x
  2. Step 2: Convert to fraction form
    119,995.88/165,638.50 = 72,251.24/x
  3. Step 3: Cross multiply
    119,995.88x = 165,638.50 × 72,251.24
  4. Step 4: Simplify right side
    119,995.88x = 11,967,587,016.74
  5. Step 5: Solve for x
    x = 11,967,587,016.74/119,995.88
  6. Step 6: Final answer
    x = 99,733.32

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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.