Home / 160,663.28-221,664.66-92,671.14

Finding the Fourth Proportional to 160,663.28, 221,664.66 and 92,671.14

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Solution

The fourth proportional to 160,663.28, 221,664.66 and 92,671.14 is: 127,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,663.28 : 221,664.66 = 92,671.14 : x
  2. Step 2: Convert to fraction form
    160,663.28/221,664.66 = 92,671.14/x
  3. Step 3: Cross multiply
    160,663.28x = 221,664.66 × 92,671.14
  4. Step 4: Simplify right side
    160,663.28x = 20,541,916,739.91
  5. Step 5: Solve for x
    x = 20,541,916,739.91/160,663.28
  6. Step 6: Final answer
    x = 127,856.95

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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.