Home / 140,663.01-194,100.51-80,229.09

Finding the Fourth Proportional to 140,663.01, 194,100.51 and 80,229.09

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Solution

The fourth proportional to 140,663.01, 194,100.51 and 80,229.09 is: 110,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,663.01 : 194,100.51 = 80,229.09 : x
  2. Step 2: Convert to fraction form
    140,663.01/194,100.51 = 80,229.09/x
  3. Step 3: Cross multiply
    140,663.01x = 194,100.51 × 80,229.09
  4. Step 4: Simplify right side
    140,663.01x = 15,572,507,285.84
  5. Step 5: Solve for x
    x = 15,572,507,285.84/140,663.01
  6. Step 6: Final answer
    x = 110,707.91

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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.