Home / 156,916.90-235,375.35-137,233.90

Finding the Fourth Proportional to 156,916.90, 235,375.35 and 137,233.90

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Solution

The fourth proportional to 156,916.90, 235,375.35 and 137,233.90 is: 205,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,916.90 : 235,375.35 = 137,233.90 : x
  2. Step 2: Convert to fraction form
    156,916.90/235,375.35 = 137,233.90/x
  3. Step 3: Cross multiply
    156,916.90x = 235,375.35 × 137,233.90
  4. Step 4: Simplify right side
    156,916.90x = 32,301,477,244.37
  5. Step 5: Solve for x
    x = 32,301,477,244.37/156,916.90
  6. Step 6: Final answer
    x = 205,850.85

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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.