Home / 143,227.84-214,767.96-64,274.40

Finding the Fourth Proportional to 143,227.84, 214,767.96 and 64,274.40

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Solution

The fourth proportional to 143,227.84, 214,767.96 and 64,274.40 is: 96,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,227.84 : 214,767.96 = 64,274.40 : x
  2. Step 2: Convert to fraction form
    143,227.84/214,767.96 = 64,274.40/x
  3. Step 3: Cross multiply
    143,227.84x = 214,767.96 × 64,274.40
  4. Step 4: Simplify right side
    143,227.84x = 13,804,081,768.22
  5. Step 5: Solve for x
    x = 13,804,081,768.22/143,227.84
  6. Step 6: Final answer
    x = 96,378.48

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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.