Home / 185,811.14-256,418.24-100,927.46

Finding the Fourth Proportional to 185,811.14, 256,418.24 and 100,927.46

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Solution

The fourth proportional to 185,811.14, 256,418.24 and 100,927.46 is: 139,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,811.14 : 256,418.24 = 100,927.46 : x
  2. Step 2: Convert to fraction form
    185,811.14/256,418.24 = 100,927.46/x
  3. Step 3: Cross multiply
    185,811.14x = 256,418.24 × 100,927.46
  4. Step 4: Simplify right side
    185,811.14x = 25,879,641,660.87
  5. Step 5: Solve for x
    x = 25,879,641,660.87/185,811.14
  6. Step 6: Final answer
    x = 139,279.28

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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.