Home / 106,790.76-160,183.98-31,911.12

Finding the Fourth Proportional to 106,790.76, 160,183.98 and 31,911.12

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Solution

The fourth proportional to 106,790.76, 160,183.98 and 31,911.12 is: 47,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,790.76 : 160,183.98 = 31,911.12 : x
  2. Step 2: Convert to fraction form
    106,790.76/160,183.98 = 31,911.12/x
  3. Step 3: Cross multiply
    106,790.76x = 160,183.98 × 31,911.12
  4. Step 4: Simplify right side
    106,790.76x = 5,111,650,207.86
  5. Step 5: Solve for x
    x = 5,111,650,207.86/106,790.76
  6. Step 6: Final answer
    x = 47,866.03

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1.5x scale

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.