Home / 143,858.12-215,778.16-44,010.38

Finding the Fourth Proportional to 143,858.12, 215,778.16 and 44,010.38

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Solution

The fourth proportional to 143,858.12, 215,778.16 and 44,010.38 is: 66,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,858.12 : 215,778.16 = 44,010.38 : x
  2. Step 2: Convert to fraction form
    143,858.12/215,778.16 = 44,010.38/x
  3. Step 3: Cross multiply
    143,858.12x = 215,778.16 × 44,010.38
  4. Step 4: Simplify right side
    143,858.12x = 9,496,478,817.30
  5. Step 5: Solve for x
    x = 9,496,478,817.30/143,858.12
  6. Step 6: Final answer
    x = 66,012.81

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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.