Home / 201,385.38-302,058.54-61,145.22

Finding the Fourth Proportional to 201,385.38, 302,058.54 and 61,145.22

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Solution

The fourth proportional to 201,385.38, 302,058.54 and 61,145.22 is: 91,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,385.38 : 302,058.54 = 61,145.22 : x
  2. Step 2: Convert to fraction form
    201,385.38/302,058.54 = 61,145.22/x
  3. Step 3: Cross multiply
    201,385.38x = 302,058.54 × 61,145.22
  4. Step 4: Simplify right side
    201,385.38x = 18,469,435,881.18
  5. Step 5: Solve for x
    x = 18,469,435,881.18/201,385.38
  6. Step 6: Final answer
    x = 91,711.90

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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.