Home / 156,785.30-235,199.55-68,036.30

Finding the Fourth Proportional to 156,785.30, 235,199.55 and 68,036.30

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Solution

The fourth proportional to 156,785.30, 235,199.55 and 68,036.30 is: 102,063.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,785.30 : 235,199.55 = 68,036.30 : x
  2. Step 2: Convert to fraction form
    156,785.30/235,199.55 = 68,036.30/x
  3. Step 3: Cross multiply
    156,785.30x = 235,199.55 × 68,036.30
  4. Step 4: Simplify right side
    156,785.30x = 16,002,107,143.67
  5. Step 5: Solve for x
    x = 16,002,107,143.67/156,785.30
  6. Step 6: Final answer
    x = 102,063.82

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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.