Home / 201,151.40-301,727.07-51,391.98

Finding the Fourth Proportional to 201,151.40, 301,727.07 and 51,391.98

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Solution

The fourth proportional to 201,151.40, 301,727.07 and 51,391.98 is: 77,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,151.40 : 301,727.07 = 51,391.98 : x
  2. Step 2: Convert to fraction form
    201,151.40/301,727.07 = 51,391.98/x
  3. Step 3: Cross multiply
    201,151.40x = 301,727.07 × 51,391.98
  4. Step 4: Simplify right side
    201,151.40x = 15,506,351,546.90
  5. Step 5: Solve for x
    x = 15,506,351,546.90/201,151.40
  6. Step 6: Final answer
    x = 77,087.96

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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.