Home / 157,571.22-217,451.32-85,953.84

Finding the Fourth Proportional to 157,571.22, 217,451.32 and 85,953.84

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Solution

The fourth proportional to 157,571.22, 217,451.32 and 85,953.84 is: 118,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,571.22 : 217,451.32 = 85,953.84 : x
  2. Step 2: Convert to fraction form
    157,571.22/217,451.32 = 85,953.84/x
  3. Step 3: Cross multiply
    157,571.22x = 217,451.32 × 85,953.84
  4. Step 4: Simplify right side
    157,571.22x = 18,690,775,967.07
  5. Step 5: Solve for x
    x = 18,690,775,967.07/157,571.22
  6. Step 6: Final answer
    x = 118,617.96

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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.