Home / 445,916.52-668,872.30-108,959.04

Finding the Fourth Proportional to 445,916.52, 668,872.30 and 108,959.04

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Solution

The fourth proportional to 445,916.52, 668,872.30 and 108,959.04 is: 163,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,916.52 : 668,872.30 = 108,959.04 : x
  2. Step 2: Convert to fraction form
    445,916.52/668,872.30 = 108,959.04/x
  3. Step 3: Cross multiply
    445,916.52x = 668,872.30 × 108,959.04
  4. Step 4: Simplify right side
    445,916.52x = 72,879,683,690.59
  5. Step 5: Solve for x
    x = 72,879,683,690.59/445,916.52
  6. Step 6: Final answer
    x = 163,437.95

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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.