Home / 143,152.44-214,661.20-53,132.77

Finding the Fourth Proportional to 143,152.44, 214,661.20 and 53,132.77

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Solution

The fourth proportional to 143,152.44, 214,661.20 and 53,132.77 is: 79,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,152.44 : 214,661.20 = 53,132.77 : x
  2. Step 2: Convert to fraction form
    143,152.44/214,661.20 = 53,132.77/x
  3. Step 3: Cross multiply
    143,152.44x = 214,661.20 × 53,132.77
  4. Step 4: Simplify right side
    143,152.44x = 11,405,544,167.52
  5. Step 5: Solve for x
    x = 11,405,544,167.52/143,152.44
  6. Step 6: Final answer
    x = 79,674.12

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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.