Home / 144,466.20-216,699.30-92,107.80

Finding the Fourth Proportional to 144,466.20, 216,699.30 and 92,107.80

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Solution

The fourth proportional to 144,466.20, 216,699.30 and 92,107.80 is: 138,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,466.20 : 216,699.30 = 92,107.80 : x
  2. Step 2: Convert to fraction form
    144,466.20/216,699.30 = 92,107.80/x
  3. Step 3: Cross multiply
    144,466.20x = 216,699.30 × 92,107.80
  4. Step 4: Simplify right side
    144,466.20x = 19,959,695,784.54
  5. Step 5: Solve for x
    x = 19,959,695,784.54/144,466.20
  6. Step 6: Final answer
    x = 138,161.70

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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.