Home / 143,625.03-215,535.96-50,130.78

Finding the Fourth Proportional to 143,625.03, 215,535.96 and 50,130.78

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Solution

The fourth proportional to 143,625.03, 215,535.96 and 50,130.78 is: 75,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,625.03 : 215,535.96 = 50,130.78 : x
  2. Step 2: Convert to fraction form
    143,625.03/215,535.96 = 50,130.78/x
  3. Step 3: Cross multiply
    143,625.03x = 215,535.96 × 50,130.78
  4. Step 4: Simplify right side
    143,625.03x = 10,804,985,792.85
  5. Step 5: Solve for x
    x = 10,804,985,792.85/143,625.03
  6. Step 6: Final answer
    x = 75,230.52

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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.