Home / 144,835.02-199,872.28-80,304.06

Finding the Fourth Proportional to 144,835.02, 199,872.28 and 80,304.06

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Solution

The fourth proportional to 144,835.02, 199,872.28 and 80,304.06 is: 110,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,835.02 : 199,872.28 = 80,304.06 : x
  2. Step 2: Convert to fraction form
    144,835.02/199,872.28 = 80,304.06/x
  3. Step 3: Cross multiply
    144,835.02x = 199,872.28 × 80,304.06
  4. Step 4: Simplify right side
    144,835.02x = 16,050,554,839.37
  5. Step 5: Solve for x
    x = 16,050,554,839.37/144,835.02
  6. Step 6: Final answer
    x = 110,819.57

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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.