Home / 143,265.96-214,906.05-54,526.34

Finding the Fourth Proportional to 143,265.96, 214,906.05 and 54,526.34

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Solution

The fourth proportional to 143,265.96, 214,906.05 and 54,526.34 is: 81,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,265.96 : 214,906.05 = 54,526.34 : x
  2. Step 2: Convert to fraction form
    143,265.96/214,906.05 = 54,526.34/x
  3. Step 3: Cross multiply
    143,265.96x = 214,906.05 × 54,526.34
  4. Step 4: Simplify right side
    143,265.96x = 11,718,039,275.83
  5. Step 5: Solve for x
    x = 11,718,039,275.83/143,265.96
  6. Step 6: Final answer
    x = 81,792.21

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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.