Home / 185,385.11-255,845.79-104,821.70

Finding the Fourth Proportional to 185,385.11, 255,845.79 and 104,821.70

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Solution

The fourth proportional to 185,385.11, 255,845.79 and 104,821.70 is: 144,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,385.11 : 255,845.79 = 104,821.70 : x
  2. Step 2: Convert to fraction form
    185,385.11/255,845.79 = 104,821.70/x
  3. Step 3: Cross multiply
    185,385.11x = 255,845.79 × 104,821.70
  4. Step 4: Simplify right side
    185,385.11x = 26,818,189,366.41
  5. Step 5: Solve for x
    x = 26,818,189,366.41/185,385.11
  6. Step 6: Final answer
    x = 144,662.05

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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.