Home / 157,512.33-217,362.29-85,893.75

Finding the Fourth Proportional to 157,512.33, 217,362.29 and 85,893.75

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Solution

The fourth proportional to 157,512.33, 217,362.29 and 85,893.75 is: 118,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,512.33 : 217,362.29 = 85,893.75 : x
  2. Step 2: Convert to fraction form
    157,512.33/217,362.29 = 85,893.75/x
  3. Step 3: Cross multiply
    157,512.33x = 217,362.29 × 85,893.75
  4. Step 4: Simplify right side
    157,512.33x = 18,670,061,767.22
  5. Step 5: Solve for x
    x = 18,670,061,767.22/157,512.33
  6. Step 6: Final answer
    x = 118,530.80

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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.