Home / 160,663.66-221,665.18-92,671.52

Finding the Fourth Proportional to 160,663.66, 221,665.18 and 92,671.52

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Solution

The fourth proportional to 160,663.66, 221,665.18 and 92,671.52 is: 127,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,663.66 : 221,665.18 = 92,671.52 : x
  2. Step 2: Convert to fraction form
    160,663.66/221,665.18 = 92,671.52/x
  3. Step 3: Cross multiply
    160,663.66x = 221,665.18 × 92,671.52
  4. Step 4: Simplify right side
    160,663.66x = 20,542,049,161.67
  5. Step 5: Solve for x
    x = 20,542,049,161.67/160,663.66
  6. Step 6: Final answer
    x = 127,857.47

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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.