Home / 185,131.08-277,639.22-66,787.04

Finding the Fourth Proportional to 185,131.08, 277,639.22 and 66,787.04

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Solution

The fourth proportional to 185,131.08, 277,639.22 and 66,787.04 is: 100,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,131.08 : 277,639.22 = 66,787.04 : x
  2. Step 2: Convert to fraction form
    185,131.08/277,639.22 = 66,787.04/x
  3. Step 3: Cross multiply
    185,131.08x = 277,639.22 × 66,787.04
  4. Step 4: Simplify right side
    185,131.08x = 18,542,701,691.71
  5. Step 5: Solve for x
    x = 18,542,701,691.71/185,131.08
  6. Step 6: Final answer
    x = 100,159.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.