Home / 160,678.17-221,732.10-92,695.28

Finding the Fourth Proportional to 160,678.17, 221,732.10 and 92,695.28

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Solution

The fourth proportional to 160,678.17, 221,732.10 and 92,695.28 is: 127,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,678.17 : 221,732.10 = 92,695.28 : x
  2. Step 2: Convert to fraction form
    160,678.17/221,732.10 = 92,695.28/x
  3. Step 3: Cross multiply
    160,678.17x = 221,732.10 × 92,695.28
  4. Step 4: Simplify right side
    160,678.17x = 20,553,517,985.83
  5. Step 5: Solve for x
    x = 20,553,517,985.83/160,678.17
  6. Step 6: Final answer
    x = 127,917.30

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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.