Home / 143,927.66-214,444.40-135,879.50

Finding the Fourth Proportional to 143,927.66, 214,444.40 and 135,879.50

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Solution

The fourth proportional to 143,927.66, 214,444.40 and 135,879.50 is: 202,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,927.66 : 214,444.40 = 135,879.50 : x
  2. Step 2: Convert to fraction form
    143,927.66/214,444.40 = 135,879.50/x
  3. Step 3: Cross multiply
    143,927.66x = 214,444.40 × 135,879.50
  4. Step 4: Simplify right side
    143,927.66x = 29,138,597,849.80
  5. Step 5: Solve for x
    x = 29,138,597,849.80/143,927.66
  6. Step 6: Final answer
    x = 202,453.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.