Home / 237,128.88-327,244.32-129,705.24

Finding the Fourth Proportional to 237,128.88, 327,244.32 and 129,705.24

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Solution

The fourth proportional to 237,128.88, 327,244.32 and 129,705.24 is: 178,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,128.88 : 327,244.32 = 129,705.24 : x
  2. Step 2: Convert to fraction form
    237,128.88/327,244.32 = 129,705.24/x
  3. Step 3: Cross multiply
    237,128.88x = 327,244.32 × 129,705.24
  4. Step 4: Simplify right side
    237,128.88x = 42,445,303,064.24
  5. Step 5: Solve for x
    x = 42,445,303,064.24/237,128.88
  6. Step 6: Final answer
    x = 178,996.77

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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.