Home / 156,285.99-215,500.89-113,180.22

Finding the Fourth Proportional to 156,285.99, 215,500.89 and 113,180.22

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Solution

The fourth proportional to 156,285.99, 215,500.89 and 113,180.22 is: 156,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,285.99 : 215,500.89 = 113,180.22 : x
  2. Step 2: Convert to fraction form
    156,285.99/215,500.89 = 113,180.22/x
  3. Step 3: Cross multiply
    156,285.99x = 215,500.89 × 113,180.22
  4. Step 4: Simplify right side
    156,285.99x = 24,390,438,140.40
  5. Step 5: Solve for x
    x = 24,390,438,140.40/156,285.99
  6. Step 6: Final answer
    x = 156,062.86

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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.