Home / 143,050.23-214,539.20-53,043.48

Finding the Fourth Proportional to 143,050.23, 214,539.20 and 53,043.48

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Solution

The fourth proportional to 143,050.23, 214,539.20 and 53,043.48 is: 79,551.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,050.23 : 214,539.20 = 53,043.48 : x
  2. Step 2: Convert to fraction form
    143,050.23/214,539.20 = 53,043.48/x
  3. Step 3: Cross multiply
    143,050.23x = 214,539.20 × 53,043.48
  4. Step 4: Simplify right side
    143,050.23x = 11,379,904,426.50
  5. Step 5: Solve for x
    x = 11,379,904,426.50/143,050.23
  6. Step 6: Final answer
    x = 79,551.81

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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.