Home / 126,110.52-189,195.75-36,154.35

Finding the Fourth Proportional to 126,110.52, 189,195.75 and 36,154.35

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Solution

The fourth proportional to 126,110.52, 189,195.75 and 36,154.35 is: 54,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,110.52 : 189,195.75 = 36,154.35 : x
  2. Step 2: Convert to fraction form
    126,110.52/189,195.75 = 36,154.35/x
  3. Step 3: Cross multiply
    126,110.52x = 189,195.75 × 36,154.35
  4. Step 4: Simplify right side
    126,110.52x = 6,840,249,364.01
  5. Step 5: Solve for x
    x = 6,840,249,364.01/126,110.52
  6. Step 6: Final answer
    x = 54,240.12

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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.