Home / 143,968.12-215,956.02-50,479.48

Finding the Fourth Proportional to 143,968.12, 215,956.02 and 50,479.48

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Solution

The fourth proportional to 143,968.12, 215,956.02 and 50,479.48 is: 75,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,968.12 : 215,956.02 = 50,479.48 : x
  2. Step 2: Convert to fraction form
    143,968.12/215,956.02 = 50,479.48/x
  3. Step 3: Cross multiply
    143,968.12x = 215,956.02 × 50,479.48
  4. Step 4: Simplify right side
    143,968.12x = 10,901,347,592.47
  5. Step 5: Solve for x
    x = 10,901,347,592.47/143,968.12
  6. Step 6: Final answer
    x = 75,720.57

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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.