Home / 106,858.38-160,145.96-56,830.76

Finding the Fourth Proportional to 106,858.38, 160,145.96 and 56,830.76

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Solution

The fourth proportional to 106,858.38, 160,145.96 and 56,830.76 is: 85,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,858.38 : 160,145.96 = 56,830.76 : x
  2. Step 2: Convert to fraction form
    106,858.38/160,145.96 = 56,830.76/x
  3. Step 3: Cross multiply
    106,858.38x = 160,145.96 × 56,830.76
  4. Step 4: Simplify right side
    106,858.38x = 9,101,216,617.73
  5. Step 5: Solve for x
    x = 9,101,216,617.73/106,858.38
  6. Step 6: Final answer
    x = 85,170.83

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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.