Home / 143,416.28-215,222.43-49,922.03

Finding the Fourth Proportional to 143,416.28, 215,222.43 and 49,922.03

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Solution

The fourth proportional to 143,416.28, 215,222.43 and 49,922.03 is: 74,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,416.28 : 215,222.43 = 49,922.03 : x
  2. Step 2: Convert to fraction form
    143,416.28/215,222.43 = 49,922.03/x
  3. Step 3: Cross multiply
    143,416.28x = 215,222.43 × 49,922.03
  4. Step 4: Simplify right side
    143,416.28x = 10,744,340,607.13
  5. Step 5: Solve for x
    x = 10,744,340,607.13/143,416.28
  6. Step 6: Final answer
    x = 74,917.16

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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.