Home / 127,660.46-191,660.31-109,060.02

Finding the Fourth Proportional to 127,660.46, 191,660.31 and 109,060.02

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Solution

The fourth proportional to 127,660.46, 191,660.31 and 109,060.02 is: 163,734.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,660.46 : 191,660.31 = 109,060.02 : x
  2. Step 2: Convert to fraction form
    127,660.46/191,660.31 = 109,060.02/x
  3. Step 3: Cross multiply
    127,660.46x = 191,660.31 × 109,060.02
  4. Step 4: Simplify right side
    127,660.46x = 20,902,477,241.81
  5. Step 5: Solve for x
    x = 20,902,477,241.81/127,660.46
  6. Step 6: Final answer
    x = 163,734.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.