Home / 140,313.43-193,623.42-76,651.21

Finding the Fourth Proportional to 140,313.43, 193,623.42 and 76,651.21

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Solution

The fourth proportional to 140,313.43, 193,623.42 and 76,651.21 is: 105,773.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,313.43 : 193,623.42 = 76,651.21 : x
  2. Step 2: Convert to fraction form
    140,313.43/193,623.42 = 76,651.21/x
  3. Step 3: Cross multiply
    140,313.43x = 193,623.42 × 76,651.21
  4. Step 4: Simplify right side
    140,313.43x = 14,841,469,427.34
  5. Step 5: Solve for x
    x = 14,841,469,427.34/140,313.43
  6. Step 6: Final answer
    x = 105,773.69

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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.