Home / 157,418.46-217,245.16-88,529.60

Finding the Fourth Proportional to 157,418.46, 217,245.16 and 88,529.60

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Solution

The fourth proportional to 157,418.46, 217,245.16 and 88,529.60 is: 122,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,418.46 : 217,245.16 = 88,529.60 : x
  2. Step 2: Convert to fraction form
    157,418.46/217,245.16 = 88,529.60/x
  3. Step 3: Cross multiply
    157,418.46x = 217,245.16 × 88,529.60
  4. Step 4: Simplify right side
    157,418.46x = 19,232,627,116.74
  5. Step 5: Solve for x
    x = 19,232,627,116.74/157,418.46
  6. Step 6: Final answer
    x = 122,175.17

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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.