Home / 157,584.80-217,469.94-85,967.30

Finding the Fourth Proportional to 157,584.80, 217,469.94 and 85,967.30

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Solution

The fourth proportional to 157,584.80, 217,469.94 and 85,967.30 is: 118,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,584.80 : 217,469.94 = 85,967.30 : x
  2. Step 2: Convert to fraction form
    157,584.80/217,469.94 = 85,967.30/x
  3. Step 3: Cross multiply
    157,584.80x = 217,469.94 × 85,967.30
  4. Step 4: Simplify right side
    157,584.80x = 18,695,303,572.96
  5. Step 5: Solve for x
    x = 18,695,303,572.96/157,584.80
  6. Step 6: Final answer
    x = 118,636.46

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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.