Home / 143,131.35-214,370.02-68,304.04

Finding the Fourth Proportional to 143,131.35, 214,370.02 and 68,304.04

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Solution

The fourth proportional to 143,131.35, 214,370.02 and 68,304.04 is: 102,300.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,131.35 : 214,370.02 = 68,304.04 : x
  2. Step 2: Convert to fraction form
    143,131.35/214,370.02 = 68,304.04/x
  3. Step 3: Cross multiply
    143,131.35x = 214,370.02 × 68,304.04
  4. Step 4: Simplify right side
    143,131.35x = 14,642,337,970.34
  5. Step 5: Solve for x
    x = 14,642,337,970.34/143,131.35
  6. Step 6: Final answer
    x = 102,300.00

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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.