Home / 238,613.85-329,292.95-131,185.98

Finding the Fourth Proportional to 238,613.85, 329,292.95 and 131,185.98

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Solution

The fourth proportional to 238,613.85, 329,292.95 and 131,185.98 is: 181,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,613.85 : 329,292.95 = 131,185.98 : x
  2. Step 2: Convert to fraction form
    238,613.85/329,292.95 = 131,185.98/x
  3. Step 3: Cross multiply
    238,613.85x = 329,292.95 × 131,185.98
  4. Step 4: Simplify right side
    238,613.85x = 43,198,617,696.91
  5. Step 5: Solve for x
    x = 43,198,617,696.91/238,613.85
  6. Step 6: Final answer
    x = 181,039.86

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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.