Home / 143,134.48-214,701.70-54,366.98

Finding the Fourth Proportional to 143,134.48, 214,701.70 and 54,366.98

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Solution

The fourth proportional to 143,134.48, 214,701.70 and 54,366.98 is: 81,550.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,134.48 : 214,701.70 = 54,366.98 : x
  2. Step 2: Convert to fraction form
    143,134.48/214,701.70 = 54,366.98/x
  3. Step 3: Cross multiply
    143,134.48x = 214,701.70 × 54,366.98
  4. Step 4: Simplify right side
    143,134.48x = 11,672,683,029.87
  5. Step 5: Solve for x
    x = 11,672,683,029.87/143,134.48
  6. Step 6: Final answer
    x = 81,550.46

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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.