Home / 193,110.80-266,508.62-107,078.30

Finding the Fourth Proportional to 193,110.80, 266,508.62 and 107,078.30

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Solution

The fourth proportional to 193,110.80, 266,508.62 and 107,078.30 is: 147,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,110.80 : 266,508.62 = 107,078.30 : x
  2. Step 2: Convert to fraction form
    193,110.80/266,508.62 = 107,078.30/x
  3. Step 3: Cross multiply
    193,110.80x = 266,508.62 × 107,078.30
  4. Step 4: Simplify right side
    193,110.80x = 28,537,289,964.95
  5. Step 5: Solve for x
    x = 28,537,289,964.95/193,110.80
  6. Step 6: Final answer
    x = 147,776.77

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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.