Home / 215,732.35-323,765.61-173,715.32

Finding the Fourth Proportional to 215,732.35, 323,765.61 and 173,715.32

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Solution

The fourth proportional to 215,732.35, 323,765.61 and 173,715.32 is: 260,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,732.35 : 323,765.61 = 173,715.32 : x
  2. Step 2: Convert to fraction form
    215,732.35/323,765.61 = 173,715.32/x
  3. Step 3: Cross multiply
    215,732.35x = 323,765.61 × 173,715.32
  4. Step 4: Simplify right side
    215,732.35x = 56,243,046,546.15
  5. Step 5: Solve for x
    x = 56,243,046,546.15/215,732.35
  6. Step 6: Final answer
    x = 260,707.52

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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.