Home / 144,490.44-216,713.79-39,317.61

Finding the Fourth Proportional to 144,490.44, 216,713.79 and 39,317.61

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Solution

The fourth proportional to 144,490.44, 216,713.79 and 39,317.61 is: 58,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,490.44 : 216,713.79 = 39,317.61 : x
  2. Step 2: Convert to fraction form
    144,490.44/216,713.79 = 39,317.61/x
  3. Step 3: Cross multiply
    144,490.44x = 216,713.79 × 39,317.61
  4. Step 4: Simplify right side
    144,490.44x = 8,520,668,276.84
  5. Step 5: Solve for x
    x = 8,520,668,276.84/144,490.44
  6. Step 6: Final answer
    x = 58,970.46

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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.