Home / 168,113.64-231,996.78-92,663.40

Finding the Fourth Proportional to 168,113.64, 231,996.78 and 92,663.40

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Solution

The fourth proportional to 168,113.64, 231,996.78 and 92,663.40 is: 127,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,113.64 : 231,996.78 = 92,663.40 : x
  2. Step 2: Convert to fraction form
    168,113.64/231,996.78 = 92,663.40/x
  3. Step 3: Cross multiply
    168,113.64x = 231,996.78 × 92,663.40
  4. Step 4: Simplify right side
    168,113.64x = 21,497,610,423.85
  5. Step 5: Solve for x
    x = 21,497,610,423.85/168,113.64
  6. Step 6: Final answer
    x = 127,875.47

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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.