Home / 413,486.16-619,835.58-132,806.64

Finding the Fourth Proportional to 413,486.16, 619,835.58 and 132,806.64

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Solution

The fourth proportional to 413,486.16, 619,835.58 and 132,806.64 is: 199,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,486.16 : 619,835.58 = 132,806.64 : x
  2. Step 2: Convert to fraction form
    413,486.16/619,835.58 = 132,806.64/x
  3. Step 3: Cross multiply
    413,486.16x = 619,835.58 × 132,806.64
  4. Step 4: Simplify right side
    413,486.16x = 82,318,280,732.25
  5. Step 5: Solve for x
    x = 82,318,280,732.25/413,486.16
  6. Step 6: Final answer
    x = 199,083.52

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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.