Home / 160,826.69-221,939.22-89,204.87

Finding the Fourth Proportional to 160,826.69, 221,939.22 and 89,204.87

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Solution

The fourth proportional to 160,826.69, 221,939.22 and 89,204.87 is: 123,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,826.69 : 221,939.22 = 89,204.87 : x
  2. Step 2: Convert to fraction form
    160,826.69/221,939.22 = 89,204.87/x
  3. Step 3: Cross multiply
    160,826.69x = 221,939.22 × 89,204.87
  4. Step 4: Simplify right side
    160,826.69x = 19,798,058,780.50
  5. Step 5: Solve for x
    x = 19,798,058,780.50/160,826.69
  6. Step 6: Final answer
    x = 123,101.82

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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.