Home / 185,429.28-255,890.80-104,872.56

Finding the Fourth Proportional to 185,429.28, 255,890.80 and 104,872.56

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Solution

The fourth proportional to 185,429.28, 255,890.80 and 104,872.56 is: 144,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,429.28 : 255,890.80 = 104,872.56 : x
  2. Step 2: Convert to fraction form
    185,429.28/255,890.80 = 104,872.56/x
  3. Step 3: Cross multiply
    185,429.28x = 255,890.80 × 104,872.56
  4. Step 4: Simplify right side
    185,429.28x = 26,835,923,276.45
  5. Step 5: Solve for x
    x = 26,835,923,276.45/185,429.28
  6. Step 6: Final answer
    x = 144,723.22

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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.