Home / 156,077.75-215,334.57-101,605.04

Finding the Fourth Proportional to 156,077.75, 215,334.57 and 101,605.04

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Solution

The fourth proportional to 156,077.75, 215,334.57 and 101,605.04 is: 140,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,077.75 : 215,334.57 = 101,605.04 : x
  2. Step 2: Convert to fraction form
    156,077.75/215,334.57 = 101,605.04/x
  3. Step 3: Cross multiply
    156,077.75x = 215,334.57 × 101,605.04
  4. Step 4: Simplify right side
    156,077.75x = 21,879,078,136.57
  5. Step 5: Solve for x
    x = 21,879,078,136.57/156,077.75
  6. Step 6: Final answer
    x = 140,180.64

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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.