Home / 185,379.11-255,822.58-100,496.17

Finding the Fourth Proportional to 185,379.11, 255,822.58 and 100,496.17

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Solution

The fourth proportional to 185,379.11, 255,822.58 and 100,496.17 is: 138,684.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,379.11 : 255,822.58 = 100,496.17 : x
  2. Step 2: Convert to fraction form
    185,379.11/255,822.58 = 100,496.17/x
  3. Step 3: Cross multiply
    185,379.11x = 255,822.58 × 100,496.17
  4. Step 4: Simplify right side
    185,379.11x = 25,709,189,489.52
  5. Step 5: Solve for x
    x = 25,709,189,489.52/185,379.11
  6. Step 6: Final answer
    x = 138,684.39

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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.