Home / 156,736.89-216,284.92-92,208.69

Finding the Fourth Proportional to 156,736.89, 216,284.92 and 92,208.69

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Solution

The fourth proportional to 156,736.89, 216,284.92 and 92,208.69 is: 127,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,736.89 : 216,284.92 = 92,208.69 : x
  2. Step 2: Convert to fraction form
    156,736.89/216,284.92 = 92,208.69/x
  3. Step 3: Cross multiply
    156,736.89x = 216,284.92 × 92,208.69
  4. Step 4: Simplify right side
    156,736.89x = 19,943,348,909.43
  5. Step 5: Solve for x
    x = 19,943,348,909.43/156,736.89
  6. Step 6: Final answer
    x = 127,240.94

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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.