Home / 227,921.16-341,981.82-121,279.98

Finding the Fourth Proportional to 227,921.16, 341,981.82 and 121,279.98

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Solution

The fourth proportional to 227,921.16, 341,981.82 and 121,279.98 is: 181,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,921.16 : 341,981.82 = 121,279.98 : x
  2. Step 2: Convert to fraction form
    227,921.16/341,981.82 = 121,279.98/x
  3. Step 3: Cross multiply
    227,921.16x = 341,981.82 × 121,279.98
  4. Step 4: Simplify right side
    227,921.16x = 41,475,548,289.96
  5. Step 5: Solve for x
    x = 41,475,548,289.96/227,921.16
  6. Step 6: Final answer
    x = 181,973.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.