Home / 94,215.78-141,344.46-52,157.21

Finding the Fourth Proportional to 94,215.78, 141,344.46 and 52,157.21

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Solution

The fourth proportional to 94,215.78, 141,344.46 and 52,157.21 is: 78,247.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,215.78 : 141,344.46 = 52,157.21 : x
  2. Step 2: Convert to fraction form
    94,215.78/141,344.46 = 52,157.21/x
  3. Step 3: Cross multiply
    94,215.78x = 141,344.46 × 52,157.21
  4. Step 4: Simplify right side
    94,215.78x = 7,372,131,975.83
  5. Step 5: Solve for x
    x = 7,372,131,975.83/94,215.78
  6. Step 6: Final answer
    x = 78,247.32

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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.