Home / 156,077.62-215,334.40-101,604.92

Finding the Fourth Proportional to 156,077.62, 215,334.40 and 101,604.92

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Solution

The fourth proportional to 156,077.62, 215,334.40 and 101,604.92 is: 140,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,077.62 : 215,334.40 = 101,604.92 : x
  2. Step 2: Convert to fraction form
    156,077.62/215,334.40 = 101,604.92/x
  3. Step 3: Cross multiply
    156,077.62x = 215,334.40 × 101,604.92
  4. Step 4: Simplify right side
    156,077.62x = 21,879,033,692.90
  5. Step 5: Solve for x
    x = 21,879,033,692.90/156,077.62
  6. Step 6: Final answer
    x = 140,180.47

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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.