Home / 126,644.06-189,966.04-47,739.83

Finding the Fourth Proportional to 126,644.06, 189,966.04 and 47,739.83

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Solution

The fourth proportional to 126,644.06, 189,966.04 and 47,739.83 is: 71,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,644.06 : 189,966.04 = 47,739.83 : x
  2. Step 2: Convert to fraction form
    126,644.06/189,966.04 = 47,739.83/x
  3. Step 3: Cross multiply
    126,644.06x = 189,966.04 × 47,739.83
  4. Step 4: Simplify right side
    126,644.06x = 9,068,946,723.29
  5. Step 5: Solve for x
    x = 9,068,946,723.29/126,644.06
  6. Step 6: Final answer
    x = 71,609.73

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1.5x scale

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.