Home / 146,357.20-201,898.96-97,961.15

Finding the Fourth Proportional to 146,357.20, 201,898.96 and 97,961.15

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Solution

The fourth proportional to 146,357.20, 201,898.96 and 97,961.15 is: 135,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,357.20 : 201,898.96 = 97,961.15 : x
  2. Step 2: Convert to fraction form
    146,357.20/201,898.96 = 97,961.15/x
  3. Step 3: Cross multiply
    146,357.20x = 201,898.96 × 97,961.15
  4. Step 4: Simplify right side
    146,357.20x = 19,778,254,305.40
  5. Step 5: Solve for x
    x = 19,778,254,305.40/146,357.20
  6. Step 6: Final answer
    x = 135,136.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.