Home / 157,614.90-217,504.20-85,994.88

Finding the Fourth Proportional to 157,614.90, 217,504.20 and 85,994.88

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Solution

The fourth proportional to 157,614.90, 217,504.20 and 85,994.88 is: 118,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,614.90 : 217,504.20 = 85,994.88 : x
  2. Step 2: Convert to fraction form
    157,614.90/217,504.20 = 85,994.88/x
  3. Step 3: Cross multiply
    157,614.90x = 217,504.20 × 85,994.88
  4. Step 4: Simplify right side
    157,614.90x = 18,704,247,578.50
  5. Step 5: Solve for x
    x = 18,704,247,578.50/157,614.90
  6. Step 6: Final answer
    x = 118,670.55

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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.