Home / 143,622.09-215,531.58-50,127.84

Finding the Fourth Proportional to 143,622.09, 215,531.58 and 50,127.84

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Solution

The fourth proportional to 143,622.09, 215,531.58 and 50,127.84 is: 75,226.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,622.09 : 215,531.58 = 50,127.84 : x
  2. Step 2: Convert to fraction form
    143,622.09/215,531.58 = 50,127.84/x
  3. Step 3: Cross multiply
    143,622.09x = 215,531.58 × 50,127.84
  4. Step 4: Simplify right side
    143,622.09x = 10,804,132,557.19
  5. Step 5: Solve for x
    x = 10,804,132,557.19/143,622.09
  6. Step 6: Final answer
    x = 75,226.12

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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.