Home / 157,625.80-217,531.32-88,736.66

Finding the Fourth Proportional to 157,625.80, 217,531.32 and 88,736.66

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Solution

The fourth proportional to 157,625.80, 217,531.32 and 88,736.66 is: 122,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,625.80 : 217,531.32 = 88,736.66 : x
  2. Step 2: Convert to fraction form
    157,625.80/217,531.32 = 88,736.66/x
  3. Step 3: Cross multiply
    157,625.80x = 217,531.32 × 88,736.66
  4. Step 4: Simplify right side
    157,625.80x = 19,303,003,900.27
  5. Step 5: Solve for x
    x = 19,303,003,900.27/157,625.80
  6. Step 6: Final answer
    x = 122,460.94

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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.