Home / 187,867.32-281,837.88-69,539.64

Finding the Fourth Proportional to 187,867.32, 281,837.88 and 69,539.64

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Solution

The fourth proportional to 187,867.32, 281,837.88 and 69,539.64 is: 104,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,867.32 : 281,837.88 = 69,539.64 : x
  2. Step 2: Convert to fraction form
    187,867.32/281,837.88 = 69,539.64/x
  3. Step 3: Cross multiply
    187,867.32x = 281,837.88 × 69,539.64
  4. Step 4: Simplify right side
    187,867.32x = 19,598,904,713.56
  5. Step 5: Solve for x
    x = 19,598,904,713.56/187,867.32
  6. Step 6: Final answer
    x = 104,323.12

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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.