Home / 160,091.30-240,178.43-85,149.77

Finding the Fourth Proportional to 160,091.30, 240,178.43 and 85,149.77

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Solution

The fourth proportional to 160,091.30, 240,178.43 and 85,149.77 is: 127,746.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,091.30 : 240,178.43 = 85,149.77 : x
  2. Step 2: Convert to fraction form
    160,091.30/240,178.43 = 85,149.77/x
  3. Step 3: Cross multiply
    160,091.30x = 240,178.43 × 85,149.77
  4. Step 4: Simplify right side
    160,091.30x = 20,451,137,085.44
  5. Step 5: Solve for x
    x = 20,451,137,085.44/160,091.30
  6. Step 6: Final answer
    x = 127,746.71

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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.