Home / 146,516.08-219,787.08-79,927.60

Finding the Fourth Proportional to 146,516.08, 219,787.08 and 79,927.60

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Solution

The fourth proportional to 146,516.08, 219,787.08 and 79,927.60 is: 119,898.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,516.08 : 219,787.08 = 79,927.60 : x
  2. Step 2: Convert to fraction form
    146,516.08/219,787.08 = 79,927.60/x
  3. Step 3: Cross multiply
    146,516.08x = 219,787.08 × 79,927.60
  4. Step 4: Simplify right side
    146,516.08x = 17,567,053,815.41
  5. Step 5: Solve for x
    x = 17,567,053,815.41/146,516.08
  6. Step 6: Final answer
    x = 119,898.47

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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.