Home / 143,491.48-215,237.42-68,594.02

Finding the Fourth Proportional to 143,491.48, 215,237.42 and 68,594.02

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Solution

The fourth proportional to 143,491.48, 215,237.42 and 68,594.02 is: 102,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,491.48 : 215,237.42 = 68,594.02 : x
  2. Step 2: Convert to fraction form
    143,491.48/215,237.42 = 68,594.02/x
  3. Step 3: Cross multiply
    143,491.48x = 215,237.42 × 68,594.02
  4. Step 4: Simplify right side
    143,491.48x = 14,763,999,892.23
  5. Step 5: Solve for x
    x = 14,763,999,892.23/143,491.48
  6. Step 6: Final answer
    x = 102,891.13

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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.