Home / 140,054.44-193,279.62-76,394.92

Finding the Fourth Proportional to 140,054.44, 193,279.62 and 76,394.92

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Solution

The fourth proportional to 140,054.44, 193,279.62 and 76,394.92 is: 105,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,054.44 : 193,279.62 = 76,394.92 : x
  2. Step 2: Convert to fraction form
    140,054.44/193,279.62 = 76,394.92/x
  3. Step 3: Cross multiply
    140,054.44x = 193,279.62 × 76,394.92
  4. Step 4: Simplify right side
    140,054.44x = 14,765,581,107.53
  5. Step 5: Solve for x
    x = 14,765,581,107.53/140,054.44
  6. Step 6: Final answer
    x = 105,427.44

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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.