Home / 291,760.08-437,640.11-92,220.60

Finding the Fourth Proportional to 291,760.08, 437,640.11 and 92,220.60

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Solution

The fourth proportional to 291,760.08, 437,640.11 and 92,220.60 is: 138,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,760.08 : 437,640.11 = 92,220.60 : x
  2. Step 2: Convert to fraction form
    291,760.08/437,640.11 = 92,220.60/x
  3. Step 3: Cross multiply
    291,760.08x = 437,640.11 × 92,220.60
  4. Step 4: Simplify right side
    291,760.08x = 40,359,435,572.88
  5. Step 5: Solve for x
    x = 40,359,435,572.88/291,760.08
  6. Step 6: Final answer
    x = 138,330.91

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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.