Home / 192,780.39-266,000.01-124,787.93

Finding the Fourth Proportional to 192,780.39, 266,000.01 and 124,787.93

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Solution

The fourth proportional to 192,780.39, 266,000.01 and 124,787.93 is: 172,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,780.39 : 266,000.01 = 124,787.93 : x
  2. Step 2: Convert to fraction form
    192,780.39/266,000.01 = 124,787.93/x
  3. Step 3: Cross multiply
    192,780.39x = 266,000.01 × 124,787.93
  4. Step 4: Simplify right side
    192,780.39x = 33,193,590,627.88
  5. Step 5: Solve for x
    x = 33,193,590,627.88/192,780.39
  6. Step 6: Final answer
    x = 172,183.44

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1.5x scale

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.