Home / 215,869.23-323,774.67-58,107.15

Finding the Fourth Proportional to 215,869.23, 323,774.67 and 58,107.15

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Solution

The fourth proportional to 215,869.23, 323,774.67 and 58,107.15 is: 87,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,869.23 : 323,774.67 = 58,107.15 : x
  2. Step 2: Convert to fraction form
    215,869.23/323,774.67 = 58,107.15/x
  3. Step 3: Cross multiply
    215,869.23x = 323,774.67 × 58,107.15
  4. Step 4: Simplify right side
    215,869.23x = 18,813,623,315.89
  5. Step 5: Solve for x
    x = 18,813,623,315.89/215,869.23
  6. Step 6: Final answer
    x = 87,152.87

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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.