Home / 126,088.56-189,176.04-43,040.88

Finding the Fourth Proportional to 126,088.56, 189,176.04 and 43,040.88

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Solution

The fourth proportional to 126,088.56, 189,176.04 and 43,040.88 is: 64,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,088.56 : 189,176.04 = 43,040.88 : x
  2. Step 2: Convert to fraction form
    126,088.56/189,176.04 = 43,040.88/x
  3. Step 3: Cross multiply
    126,088.56x = 189,176.04 × 43,040.88
  4. Step 4: Simplify right side
    126,088.56x = 8,142,303,236.52
  5. Step 5: Solve for x
    x = 8,142,303,236.52/126,088.56
  6. Step 6: Final answer
    x = 64,576.07

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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.