Home / 258,116.27-356,246.07-193,031.60

Finding the Fourth Proportional to 258,116.27, 356,246.07 and 193,031.60

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Solution

The fourth proportional to 258,116.27, 356,246.07 and 193,031.60 is: 266,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,116.27 : 356,246.07 = 193,031.60 : x
  2. Step 2: Convert to fraction form
    258,116.27/356,246.07 = 193,031.60/x
  3. Step 3: Cross multiply
    258,116.27x = 356,246.07 × 193,031.60
  4. Step 4: Simplify right side
    258,116.27x = 68,766,747,920.65
  5. Step 5: Solve for x
    x = 68,766,747,920.65/258,116.27
  6. Step 6: Final answer
    x = 266,417.72

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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.