Home / 157,588.08-217,481.82-89,611.36

Finding the Fourth Proportional to 157,588.08, 217,481.82 and 89,611.36

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Solution

The fourth proportional to 157,588.08, 217,481.82 and 89,611.36 is: 123,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,588.08 : 217,481.82 = 89,611.36 : x
  2. Step 2: Convert to fraction form
    157,588.08/217,481.82 = 89,611.36/x
  3. Step 3: Cross multiply
    157,588.08x = 217,481.82 × 89,611.36
  4. Step 4: Simplify right side
    157,588.08x = 19,488,841,665.48
  5. Step 5: Solve for x
    x = 19,488,841,665.48/157,588.08
  6. Step 6: Final answer
    x = 123,669.52

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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.