Home / 214,885.48-322,329.66-65,137.36

Finding the Fourth Proportional to 214,885.48, 322,329.66 and 65,137.36

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Solution

The fourth proportional to 214,885.48, 322,329.66 and 65,137.36 is: 97,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,885.48 : 322,329.66 = 65,137.36 : x
  2. Step 2: Convert to fraction form
    214,885.48/322,329.66 = 65,137.36/x
  3. Step 3: Cross multiply
    214,885.48x = 322,329.66 × 65,137.36
  4. Step 4: Simplify right side
    214,885.48x = 20,995,703,102.10
  5. Step 5: Solve for x
    x = 20,995,703,102.10/214,885.48
  6. Step 6: Final answer
    x = 97,706.48

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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.