Home / 126,619.68-189,517.44-93,326.40

Finding the Fourth Proportional to 126,619.68, 189,517.44 and 93,326.40

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Solution

The fourth proportional to 126,619.68, 189,517.44 and 93,326.40 is: 139,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,619.68 : 189,517.44 = 93,326.40 : x
  2. Step 2: Convert to fraction form
    126,619.68/189,517.44 = 93,326.40/x
  3. Step 3: Cross multiply
    126,619.68x = 189,517.44 × 93,326.40
  4. Step 4: Simplify right side
    126,619.68x = 17,686,980,412.42
  5. Step 5: Solve for x
    x = 17,686,980,412.42/126,619.68
  6. Step 6: Final answer
    x = 139,685.87

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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.