Home / 237,186.78-327,316.59-129,754.86

Finding the Fourth Proportional to 237,186.78, 327,316.59 and 129,754.86

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Solution

The fourth proportional to 237,186.78, 327,316.59 and 129,754.86 is: 179,061.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,186.78 : 327,316.59 = 129,754.86 : x
  2. Step 2: Convert to fraction form
    237,186.78/327,316.59 = 129,754.86/x
  3. Step 3: Cross multiply
    237,186.78x = 327,316.59 × 129,754.86
  4. Step 4: Simplify right side
    237,186.78x = 42,470,918,311.13
  5. Step 5: Solve for x
    x = 42,470,918,311.13/237,186.78
  6. Step 6: Final answer
    x = 179,061.07

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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.