Home / 141,393.12-212,172.30-52,707.84

Finding the Fourth Proportional to 141,393.12, 212,172.30 and 52,707.84

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Solution

The fourth proportional to 141,393.12, 212,172.30 and 52,707.84 is: 79,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,393.12 : 212,172.30 = 52,707.84 : x
  2. Step 2: Convert to fraction form
    141,393.12/212,172.30 = 52,707.84/x
  3. Step 3: Cross multiply
    141,393.12x = 212,172.30 × 52,707.84
  4. Step 4: Simplify right side
    141,393.12x = 11,183,143,640.83
  5. Step 5: Solve for x
    x = 11,183,143,640.83/141,393.12
  6. Step 6: Final answer
    x = 79,092.56

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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.