Home / 185,821.56-255,964.86-149,911.02

Finding the Fourth Proportional to 185,821.56, 255,964.86 and 149,911.02

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Solution

The fourth proportional to 185,821.56, 255,964.86 and 149,911.02 is: 206,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,821.56 : 255,964.86 = 149,911.02 : x
  2. Step 2: Convert to fraction form
    185,821.56/255,964.86 = 149,911.02/x
  3. Step 3: Cross multiply
    185,821.56x = 255,964.86 × 149,911.02
  4. Step 4: Simplify right side
    185,821.56x = 38,371,953,246.76
  5. Step 5: Solve for x
    x = 38,371,953,246.76/185,821.56
  6. Step 6: Final answer
    x = 206,498.93

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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.