Home / 185,329.87-255,755.21-100,446.93

Finding the Fourth Proportional to 185,329.87, 255,755.21 and 100,446.93

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Solution

The fourth proportional to 185,329.87, 255,755.21 and 100,446.93 is: 138,616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,329.87 : 255,755.21 = 100,446.93 : x
  2. Step 2: Convert to fraction form
    185,329.87/255,755.21 = 100,446.93/x
  3. Step 3: Cross multiply
    185,329.87x = 255,755.21 × 100,446.93
  4. Step 4: Simplify right side
    185,329.87x = 25,689,825,173.77
  5. Step 5: Solve for x
    x = 25,689,825,173.77/185,329.87
  6. Step 6: Final answer
    x = 138,616.76

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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.