Home / 157,593.24-217,513.82-100,221.48

Finding the Fourth Proportional to 157,593.24, 217,513.82 and 100,221.48

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Solution

The fourth proportional to 157,593.24, 217,513.82 and 100,221.48 is: 138,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,593.24 : 217,513.82 = 100,221.48 : x
  2. Step 2: Convert to fraction form
    157,593.24/217,513.82 = 100,221.48/x
  3. Step 3: Cross multiply
    157,593.24x = 217,513.82 × 100,221.48
  4. Step 4: Simplify right side
    157,593.24x = 21,799,556,960.85
  5. Step 5: Solve for x
    x = 21,799,556,960.85/157,593.24
  6. Step 6: Final answer
    x = 138,328.00

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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.