Home / 156,299.10-215,680.83-95,036.78

Finding the Fourth Proportional to 156,299.10, 215,680.83 and 95,036.78

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Solution

The fourth proportional to 156,299.10, 215,680.83 and 95,036.78 is: 131,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,299.10 : 215,680.83 = 95,036.78 : x
  2. Step 2: Convert to fraction form
    156,299.10/215,680.83 = 95,036.78/x
  3. Step 3: Cross multiply
    156,299.10x = 215,680.83 × 95,036.78
  4. Step 4: Simplify right side
    156,299.10x = 20,497,611,590.93
  5. Step 5: Solve for x
    x = 20,497,611,590.93/156,299.10
  6. Step 6: Final answer
    x = 131,143.50

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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.