Home / 160,617.18-221,645.73-92,637

Finding the Fourth Proportional to 160,617.18, 221,645.73 and 92,637

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Solution

The fourth proportional to 160,617.18, 221,645.73 and 92,637 is: 127,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,617.18 : 221,645.73 = 92,637 : x
  2. Step 2: Convert to fraction form
    160,617.18/221,645.73 = 92,637/x
  3. Step 3: Cross multiply
    160,617.18x = 221,645.73 × 92,637
  4. Step 4: Simplify right side
    160,617.18x = 20,532,595,490.01
  5. Step 5: Solve for x
    x = 20,532,595,490.01/160,617.18
  6. Step 6: Final answer
    x = 127,835.61

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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.