Home / 132,386.94-198,580.41-93,119.76

Finding the Fourth Proportional to 132,386.94, 198,580.41 and 93,119.76

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Solution

The fourth proportional to 132,386.94, 198,580.41 and 93,119.76 is: 139,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,386.94 : 198,580.41 = 93,119.76 : x
  2. Step 2: Convert to fraction form
    132,386.94/198,580.41 = 93,119.76/x
  3. Step 3: Cross multiply
    132,386.94x = 198,580.41 × 93,119.76
  4. Step 4: Simplify right side
    132,386.94x = 18,491,760,119.90
  5. Step 5: Solve for x
    x = 18,491,760,119.90/132,386.94
  6. Step 6: Final answer
    x = 139,679.64

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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.