Home / 160,733.46-221,813.01-92,753.31

Finding the Fourth Proportional to 160,733.46, 221,813.01 and 92,753.31

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Solution

The fourth proportional to 160,733.46, 221,813.01 and 92,753.31 is: 128,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,733.46 : 221,813.01 = 92,753.31 : x
  2. Step 2: Convert to fraction form
    160,733.46/221,813.01 = 92,753.31/x
  3. Step 3: Cross multiply
    160,733.46x = 221,813.01 × 92,753.31
  4. Step 4: Simplify right side
    160,733.46x = 20,573,890,878.56
  5. Step 5: Solve for x
    x = 20,573,890,878.56/160,733.46
  6. Step 6: Final answer
    x = 128,000.05

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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.