Home / 201,961.40-302,942.10-96,726.20

Finding the Fourth Proportional to 201,961.40, 302,942.10 and 96,726.20

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Solution

The fourth proportional to 201,961.40, 302,942.10 and 96,726.20 is: 145,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,961.40 : 302,942.10 = 96,726.20 : x
  2. Step 2: Convert to fraction form
    201,961.40/302,942.10 = 96,726.20/x
  3. Step 3: Cross multiply
    201,961.40x = 302,942.10 × 96,726.20
  4. Step 4: Simplify right side
    201,961.40x = 29,302,438,153.02
  5. Step 5: Solve for x
    x = 29,302,438,153.02/201,961.40
  6. Step 6: Final answer
    x = 145,089.30

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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.