Home / 235,142.11-352,376.89-187,900.86

Finding the Fourth Proportional to 235,142.11, 352,376.89 and 187,900.86

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Solution

The fourth proportional to 235,142.11, 352,376.89 and 187,900.86 is: 281,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,142.11 : 352,376.89 = 187,900.86 : x
  2. Step 2: Convert to fraction form
    235,142.11/352,376.89 = 187,900.86/x
  3. Step 3: Cross multiply
    235,142.11x = 352,376.89 × 187,900.86
  4. Step 4: Simplify right side
    235,142.11x = 66,211,920,675.13
  5. Step 5: Solve for x
    x = 66,211,920,675.13/235,142.11
  6. Step 6: Final answer
    x = 281,582.57

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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.