Home / 185,416.26-255,883.82-103,753.68

Finding the Fourth Proportional to 185,416.26, 255,883.82 and 103,753.68

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Solution

The fourth proportional to 185,416.26, 255,883.82 and 103,753.68 is: 143,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,416.26 : 255,883.82 = 103,753.68 : x
  2. Step 2: Convert to fraction form
    185,416.26/255,883.82 = 103,753.68/x
  3. Step 3: Cross multiply
    185,416.26x = 255,883.82 × 103,753.68
  4. Step 4: Simplify right side
    185,416.26x = 26,548,887,977.46
  5. Step 5: Solve for x
    x = 26,548,887,977.46/185,416.26
  6. Step 6: Final answer
    x = 143,185.33

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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.