Home / 142,835.93-214,280.97-57,453.32

Finding the Fourth Proportional to 142,835.93, 214,280.97 and 57,453.32

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Solution

The fourth proportional to 142,835.93, 214,280.97 and 57,453.32 is: 86,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,835.93 : 214,280.97 = 57,453.32 : x
  2. Step 2: Convert to fraction form
    142,835.93/214,280.97 = 57,453.32/x
  3. Step 3: Cross multiply
    142,835.93x = 214,280.97 × 57,453.32
  4. Step 4: Simplify right side
    142,835.93x = 12,311,152,067.92
  5. Step 5: Solve for x
    x = 12,311,152,067.92/142,835.93
  6. Step 6: Final answer
    x = 86,190.87

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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.