Home / 143,875.58-215,787.24-38,669.94

Finding the Fourth Proportional to 143,875.58, 215,787.24 and 38,669.94

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Solution

The fourth proportional to 143,875.58, 215,787.24 and 38,669.94 is: 57,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,875.58 : 215,787.24 = 38,669.94 : x
  2. Step 2: Convert to fraction form
    143,875.58/215,787.24 = 38,669.94/x
  3. Step 3: Cross multiply
    143,875.58x = 215,787.24 × 38,669.94
  4. Step 4: Simplify right side
    143,875.58x = 8,344,479,623.57
  5. Step 5: Solve for x
    x = 8,344,479,623.57/143,875.58
  6. Step 6: Final answer
    x = 57,997.89

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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.