Home / 144,470.20-216,705.30-92,111.80

Finding the Fourth Proportional to 144,470.20, 216,705.30 and 92,111.80

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Solution

The fourth proportional to 144,470.20, 216,705.30 and 92,111.80 is: 138,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,470.20 : 216,705.30 = 92,111.80 : x
  2. Step 2: Convert to fraction form
    144,470.20/216,705.30 = 92,111.80/x
  3. Step 3: Cross multiply
    144,470.20x = 216,705.30 × 92,111.80
  4. Step 4: Simplify right side
    144,470.20x = 19,961,115,252.54
  5. Step 5: Solve for x
    x = 19,961,115,252.54/144,470.20
  6. Step 6: Final answer
    x = 138,167.70

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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.