Home / 156,101.85-234,163.24-54,887.78

Finding the Fourth Proportional to 156,101.85, 234,163.24 and 54,887.78

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Solution

The fourth proportional to 156,101.85, 234,163.24 and 54,887.78 is: 82,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,101.85 : 234,163.24 = 54,887.78 : x
  2. Step 2: Convert to fraction form
    156,101.85/234,163.24 = 54,887.78/x
  3. Step 3: Cross multiply
    156,101.85x = 234,163.24 × 54,887.78
  4. Step 4: Simplify right side
    156,101.85x = 12,852,700,849.40
  5. Step 5: Solve for x
    x = 12,852,700,849.40/156,101.85
  6. Step 6: Final answer
    x = 82,335.35

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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.