Home / 185,233.77-255,634.40-113,604.05

Finding the Fourth Proportional to 185,233.77, 255,634.40 and 113,604.05

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Solution

The fourth proportional to 185,233.77, 255,634.40 and 113,604.05 is: 156,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,233.77 : 255,634.40 = 113,604.05 : x
  2. Step 2: Convert to fraction form
    185,233.77/255,634.40 = 113,604.05/x
  3. Step 3: Cross multiply
    185,233.77x = 255,634.40 × 113,604.05
  4. Step 4: Simplify right side
    185,233.77x = 29,041,101,313.13
  5. Step 5: Solve for x
    x = 29,041,101,313.13/185,233.77
  6. Step 6: Final answer
    x = 156,780.81

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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.