Home / 181,470.74-250,429.38-100,895.72

Finding the Fourth Proportional to 181,470.74, 250,429.38 and 100,895.72

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Solution

The fourth proportional to 181,470.74, 250,429.38 and 100,895.72 is: 139,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,470.74 : 250,429.38 = 100,895.72 : x
  2. Step 2: Convert to fraction form
    181,470.74/250,429.38 = 100,895.72/x
  3. Step 3: Cross multiply
    181,470.74x = 250,429.38 × 100,895.72
  4. Step 4: Simplify right side
    181,470.74x = 25,267,252,604.25
  5. Step 5: Solve for x
    x = 25,267,252,604.25/181,470.74
  6. Step 6: Final answer
    x = 139,235.96

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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.