Home / 462,120.18-693,246.43-142,299.12

Finding the Fourth Proportional to 462,120.18, 693,246.43 and 142,299.12

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Solution

The fourth proportional to 462,120.18, 693,246.43 and 142,299.12 is: 213,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,120.18 : 693,246.43 = 142,299.12 : x
  2. Step 2: Convert to fraction form
    462,120.18/693,246.43 = 142,299.12/x
  3. Step 3: Cross multiply
    462,120.18x = 693,246.43 × 142,299.12
  4. Step 4: Simplify right side
    462,120.18x = 98,648,356,932.14
  5. Step 5: Solve for x
    x = 98,648,356,932.14/462,120.18
  6. Step 6: Final answer
    x = 213,469.05

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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.