Home / 353,098.13-487,118.04-235,257.09

Finding the Fourth Proportional to 353,098.13, 487,118.04 and 235,257.09

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Solution

The fourth proportional to 353,098.13, 487,118.04 and 235,257.09 is: 324,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,098.13 : 487,118.04 = 235,257.09 : x
  2. Step 2: Convert to fraction form
    353,098.13/487,118.04 = 235,257.09/x
  3. Step 3: Cross multiply
    353,098.13x = 487,118.04 × 235,257.09
  4. Step 4: Simplify right side
    353,098.13x = 114,597,972,576.90
  5. Step 5: Solve for x
    x = 114,597,972,576.90/353,098.13
  6. Step 6: Final answer
    x = 324,549.93

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1.5x scale

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.