Home / 157,504.34-217,355.46-85,884.18

Finding the Fourth Proportional to 157,504.34, 217,355.46 and 85,884.18

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Solution

The fourth proportional to 157,504.34, 217,355.46 and 85,884.18 is: 118,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,504.34 : 217,355.46 = 85,884.18 : x
  2. Step 2: Convert to fraction form
    157,504.34/217,355.46 = 85,884.18/x
  3. Step 3: Cross multiply
    157,504.34x = 217,355.46 × 85,884.18
  4. Step 4: Simplify right side
    157,504.34x = 18,667,395,450.62
  5. Step 5: Solve for x
    x = 18,667,395,450.62/157,504.34
  6. Step 6: Final answer
    x = 118,519.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.