Home / 160,274.25-221,179.95-87,675.71

Finding the Fourth Proportional to 160,274.25, 221,179.95 and 87,675.71

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Solution

The fourth proportional to 160,274.25, 221,179.95 and 87,675.71 is: 120,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,274.25 : 221,179.95 = 87,675.71 : x
  2. Step 2: Convert to fraction form
    160,274.25/221,179.95 = 87,675.71/x
  3. Step 3: Cross multiply
    160,274.25x = 221,179.95 × 87,675.71
  4. Step 4: Simplify right side
    160,274.25x = 19,392,108,048.11
  5. Step 5: Solve for x
    x = 19,392,108,048.11/160,274.25
  6. Step 6: Final answer
    x = 120,993.29

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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.