Home / 201,132.18-301,698.03-51,372.60

Finding the Fourth Proportional to 201,132.18, 301,698.03 and 51,372.60

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Solution

The fourth proportional to 201,132.18, 301,698.03 and 51,372.60 is: 77,058.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,132.18 : 301,698.03 = 51,372.60 : x
  2. Step 2: Convert to fraction form
    201,132.18/301,698.03 = 51,372.60/x
  3. Step 3: Cross multiply
    201,132.18x = 301,698.03 × 51,372.60
  4. Step 4: Simplify right side
    201,132.18x = 15,499,012,215.98
  5. Step 5: Solve for x
    x = 15,499,012,215.98/201,132.18
  6. Step 6: Final answer
    x = 77,058.84

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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.