Home / 215,302.57-297,113.61-119,808.43

Finding the Fourth Proportional to 215,302.57, 297,113.61 and 119,808.43

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Solution

The fourth proportional to 215,302.57, 297,113.61 and 119,808.43 is: 165,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,302.57 : 297,113.61 = 119,808.43 : x
  2. Step 2: Convert to fraction form
    215,302.57/297,113.61 = 119,808.43/x
  3. Step 3: Cross multiply
    215,302.57x = 297,113.61 × 119,808.43
  4. Step 4: Simplify right side
    215,302.57x = 35,596,715,145.73
  5. Step 5: Solve for x
    x = 35,596,715,145.73/215,302.57
  6. Step 6: Final answer
    x = 165,333.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.