Home / 238,326.85-358,778.73-217,115.88

Finding the Fourth Proportional to 238,326.85, 358,778.73 and 217,115.88

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Solution

The fourth proportional to 238,326.85, 358,778.73 and 217,115.88 is: 326,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,326.85 : 358,778.73 = 217,115.88 : x
  2. Step 2: Convert to fraction form
    238,326.85/358,778.73 = 217,115.88/x
  3. Step 3: Cross multiply
    238,326.85x = 358,778.73 × 217,115.88
  4. Step 4: Simplify right side
    238,326.85x = 77,896,558,603.65
  5. Step 5: Solve for x
    x = 77,896,558,603.65/238,326.85
  6. Step 6: Final answer
    x = 326,847.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.