Home / 126,494.28-189,916.38-64,208.52

Finding the Fourth Proportional to 126,494.28, 189,916.38 and 64,208.52

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Solution

The fourth proportional to 126,494.28, 189,916.38 and 64,208.52 is: 96,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,494.28 : 189,916.38 = 64,208.52 : x
  2. Step 2: Convert to fraction form
    126,494.28/189,916.38 = 64,208.52/x
  3. Step 3: Cross multiply
    126,494.28x = 189,916.38 × 64,208.52
  4. Step 4: Simplify right side
    126,494.28x = 12,194,249,683.56
  5. Step 5: Solve for x
    x = 12,194,249,683.56/126,494.28
  6. Step 6: Final answer
    x = 96,401.59

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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.