Home / 156,834.08-235,118.87-68,020.69

Finding the Fourth Proportional to 156,834.08, 235,118.87 and 68,020.69

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Solution

The fourth proportional to 156,834.08, 235,118.87 and 68,020.69 is: 101,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,834.08 : 235,118.87 = 68,020.69 : x
  2. Step 2: Convert to fraction form
    156,834.08/235,118.87 = 68,020.69/x
  3. Step 3: Cross multiply
    156,834.08x = 235,118.87 × 68,020.69
  4. Step 4: Simplify right side
    156,834.08x = 15,992,947,537.45
  5. Step 5: Solve for x
    x = 15,992,947,537.45/156,834.08
  6. Step 6: Final answer
    x = 101,973.68

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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.