Home / 142,598.20-213,823.46-76,020.44

Finding the Fourth Proportional to 142,598.20, 213,823.46 and 76,020.44

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Solution

The fourth proportional to 142,598.20, 213,823.46 and 76,020.44 is: 113,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,598.20 : 213,823.46 = 76,020.44 : x
  2. Step 2: Convert to fraction form
    142,598.20/213,823.46 = 76,020.44/x
  3. Step 3: Cross multiply
    142,598.20x = 213,823.46 × 76,020.44
  4. Step 4: Simplify right side
    142,598.20x = 16,254,953,511.52
  5. Step 5: Solve for x
    x = 16,254,953,511.52/142,598.20
  6. Step 6: Final answer
    x = 113,991.30

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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.