Home / 168,070.86-231,937.80-92,619.36

Finding the Fourth Proportional to 168,070.86, 231,937.80 and 92,619.36

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Solution

The fourth proportional to 168,070.86, 231,937.80 and 92,619.36 is: 127,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,070.86 : 231,937.80 = 92,619.36 : x
  2. Step 2: Convert to fraction form
    168,070.86/231,937.80 = 92,619.36/x
  3. Step 3: Cross multiply
    168,070.86x = 231,937.80 × 92,619.36
  4. Step 4: Simplify right side
    168,070.86x = 21,481,930,595.81
  5. Step 5: Solve for x
    x = 21,481,930,595.81/168,070.86
  6. Step 6: Final answer
    x = 127,814.72

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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.