Home / 113,193.90-156,138.11-67,222.32

Finding the Fourth Proportional to 113,193.90, 156,138.11 and 67,222.32

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Solution

The fourth proportional to 113,193.90, 156,138.11 and 67,222.32 is: 92,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,193.90 : 156,138.11 = 67,222.32 : x
  2. Step 2: Convert to fraction form
    113,193.90/156,138.11 = 67,222.32/x
  3. Step 3: Cross multiply
    113,193.90x = 156,138.11 × 67,222.32
  4. Step 4: Simplify right side
    113,193.90x = 10,495,965,658.50
  5. Step 5: Solve for x
    x = 10,495,965,658.50/113,193.90
  6. Step 6: Final answer
    x = 92,725.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.