Home / 126,476.16-189,741.60-67,303.14

Finding the Fourth Proportional to 126,476.16, 189,741.60 and 67,303.14

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Solution

The fourth proportional to 126,476.16, 189,741.60 and 67,303.14 is: 100,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,476.16 : 189,741.60 = 67,303.14 : x
  2. Step 2: Convert to fraction form
    126,476.16/189,741.60 = 67,303.14/x
  3. Step 3: Cross multiply
    126,476.16x = 189,741.60 × 67,303.14
  4. Step 4: Simplify right side
    126,476.16x = 12,770,205,468.62
  5. Step 5: Solve for x
    x = 12,770,205,468.62/126,476.16
  6. Step 6: Final answer
    x = 100,969.27

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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.