Home / 142,844.10-214,285.77-48,081.66

Finding the Fourth Proportional to 142,844.10, 214,285.77 and 48,081.66

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Solution

The fourth proportional to 142,844.10, 214,285.77 and 48,081.66 is: 72,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,844.10 : 214,285.77 = 48,081.66 : x
  2. Step 2: Convert to fraction form
    142,844.10/214,285.77 = 48,081.66/x
  3. Step 3: Cross multiply
    142,844.10x = 214,285.77 × 48,081.66
  4. Step 4: Simplify right side
    142,844.10x = 10,303,215,535.98
  5. Step 5: Solve for x
    x = 10,303,215,535.98/142,844.10
  6. Step 6: Final answer
    x = 72,129.09

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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.