Home / 156,180.12-215,528.85-84,560.82

Finding the Fourth Proportional to 156,180.12, 215,528.85 and 84,560.82

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Solution

The fourth proportional to 156,180.12, 215,528.85 and 84,560.82 is: 116,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,180.12 : 215,528.85 = 84,560.82 : x
  2. Step 2: Convert to fraction form
    156,180.12/215,528.85 = 84,560.82/x
  3. Step 3: Cross multiply
    156,180.12x = 215,528.85 × 84,560.82
  4. Step 4: Simplify right side
    156,180.12x = 18,225,296,289.66
  5. Step 5: Solve for x
    x = 18,225,296,289.66/156,180.12
  6. Step 6: Final answer
    x = 116,694.09

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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.