Home / 143,219.11-214,625.00-105,482.43

Finding the Fourth Proportional to 143,219.11, 214,625.00 and 105,482.43

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Solution

The fourth proportional to 143,219.11, 214,625.00 and 105,482.43 is: 158,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,219.11 : 214,625.00 = 105,482.43 : x
  2. Step 2: Convert to fraction form
    143,219.11/214,625.00 = 105,482.43/x
  3. Step 3: Cross multiply
    143,219.11x = 214,625.00 × 105,482.43
  4. Step 4: Simplify right side
    143,219.11x = 22,639,166,347.16
  5. Step 5: Solve for x
    x = 22,639,166,347.16/143,219.11
  6. Step 6: Final answer
    x = 158,073.64

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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.