Home / 187,833.18-281,742.48-75,479.70

Finding the Fourth Proportional to 187,833.18, 281,742.48 and 75,479.70

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Solution

The fourth proportional to 187,833.18, 281,742.48 and 75,479.70 is: 113,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,833.18 : 281,742.48 = 75,479.70 : x
  2. Step 2: Convert to fraction form
    187,833.18/281,742.48 = 75,479.70/x
  3. Step 3: Cross multiply
    187,833.18x = 281,742.48 × 75,479.70
  4. Step 4: Simplify right side
    187,833.18x = 21,265,837,867.66
  5. Step 5: Solve for x
    x = 21,265,837,867.66/187,833.18
  6. Step 6: Final answer
    x = 113,216.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.