Home / 356,215.26-491,588.16-195,085.59

Finding the Fourth Proportional to 356,215.26, 491,588.16 and 195,085.59

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Solution

The fourth proportional to 356,215.26, 491,588.16 and 195,085.59 is: 269,224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,215.26 : 491,588.16 = 195,085.59 : x
  2. Step 2: Convert to fraction form
    356,215.26/491,588.16 = 195,085.59/x
  3. Step 3: Cross multiply
    356,215.26x = 491,588.16 × 195,085.59
  4. Step 4: Simplify right side
    356,215.26x = 95,901,766,230.61
  5. Step 5: Solve for x
    x = 95,901,766,230.61/356,215.26
  6. Step 6: Final answer
    x = 269,224.19

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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.