Home / 143,441.12-215,190.84-49,954.16

Finding the Fourth Proportional to 143,441.12, 215,190.84 and 49,954.16

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Solution

The fourth proportional to 143,441.12, 215,190.84 and 49,954.16 is: 74,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,441.12 : 215,190.84 = 49,954.16 : x
  2. Step 2: Convert to fraction form
    143,441.12/215,190.84 = 49,954.16/x
  3. Step 3: Cross multiply
    143,441.12x = 215,190.84 × 49,954.16
  4. Step 4: Simplify right side
    143,441.12x = 10,749,677,651.89
  5. Step 5: Solve for x
    x = 10,749,677,651.89/143,441.12
  6. Step 6: Final answer
    x = 74,941.40

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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.