Home / 132,683.40-199,025.10-76,696.20

Finding the Fourth Proportional to 132,683.40, 199,025.10 and 76,696.20

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Solution

The fourth proportional to 132,683.40, 199,025.10 and 76,696.20 is: 115,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,683.40 : 199,025.10 = 76,696.20 : x
  2. Step 2: Convert to fraction form
    132,683.40/199,025.10 = 76,696.20/x
  3. Step 3: Cross multiply
    132,683.40x = 199,025.10 × 76,696.20
  4. Step 4: Simplify right side
    132,683.40x = 15,264,468,874.62
  5. Step 5: Solve for x
    x = 15,264,468,874.62/132,683.40
  6. Step 6: Final answer
    x = 115,044.30

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1.5x scale

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.