Home / 187,915.44-281,867.69-69,584.16

Finding the Fourth Proportional to 187,915.44, 281,867.69 and 69,584.16

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Solution

The fourth proportional to 187,915.44, 281,867.69 and 69,584.16 is: 104,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,915.44 : 281,867.69 = 69,584.16 : x
  2. Step 2: Convert to fraction form
    187,915.44/281,867.69 = 69,584.16/x
  3. Step 3: Cross multiply
    187,915.44x = 281,867.69 × 69,584.16
  4. Step 4: Simplify right side
    187,915.44x = 19,613,526,439.79
  5. Step 5: Solve for x
    x = 19,613,526,439.79/187,915.44
  6. Step 6: Final answer
    x = 104,374.21

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1.5x scale

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.