Home / 187,447.96-281,173.02-76,639.96

Finding the Fourth Proportional to 187,447.96, 281,173.02 and 76,639.96

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Solution

The fourth proportional to 187,447.96, 281,173.02 and 76,639.96 is: 114,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,447.96 : 281,173.02 = 76,639.96 : x
  2. Step 2: Convert to fraction form
    187,447.96/281,173.02 = 76,639.96/x
  3. Step 3: Cross multiply
    187,447.96x = 281,173.02 × 76,639.96
  4. Step 4: Simplify right side
    187,447.96x = 21,549,089,005.88
  5. Step 5: Solve for x
    x = 21,549,089,005.88/187,447.96
  6. Step 6: Final answer
    x = 114,960.38

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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.