Home / 185,216.86-255,600.05-100,333.92

Finding the Fourth Proportional to 185,216.86, 255,600.05 and 100,333.92

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Solution

The fourth proportional to 185,216.86, 255,600.05 and 100,333.92 is: 138,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,216.86 : 255,600.05 = 100,333.92 : x
  2. Step 2: Convert to fraction form
    185,216.86/255,600.05 = 100,333.92/x
  3. Step 3: Cross multiply
    185,216.86x = 255,600.05 × 100,333.92
  4. Step 4: Simplify right side
    185,216.86x = 25,645,355,607.70
  5. Step 5: Solve for x
    x = 25,645,355,607.70/185,216.86
  6. Step 6: Final answer
    x = 138,461.24

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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.