Home / 112,895.32-155,821.98-82,724.44

Finding the Fourth Proportional to 112,895.32, 155,821.98 and 82,724.44

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Solution

The fourth proportional to 112,895.32, 155,821.98 and 82,724.44 is: 114,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,895.32 : 155,821.98 = 82,724.44 : x
  2. Step 2: Convert to fraction form
    112,895.32/155,821.98 = 82,724.44/x
  3. Step 3: Cross multiply
    112,895.32x = 155,821.98 × 82,724.44
  4. Step 4: Simplify right side
    112,895.32x = 12,890,286,035.19
  5. Step 5: Solve for x
    x = 12,890,286,035.19/112,895.32
  6. Step 6: Final answer
    x = 114,179.10

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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.