Home / 187,856.10-281,842.47-168,007.86

Finding the Fourth Proportional to 187,856.10, 281,842.47 and 168,007.86

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Solution

The fourth proportional to 187,856.10, 281,842.47 and 168,007.86 is: 252,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,856.10 : 281,842.47 = 168,007.86 : x
  2. Step 2: Convert to fraction form
    187,856.10/281,842.47 = 168,007.86/x
  3. Step 3: Cross multiply
    187,856.10x = 281,842.47 × 168,007.86
  4. Step 4: Simplify right side
    187,856.10x = 47,351,750,241.81
  5. Step 5: Solve for x
    x = 47,351,750,241.81/187,856.10
  6. Step 6: Final answer
    x = 252,063.95

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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.