Home / 201,624.41-302,504.67-89,289.15

Finding the Fourth Proportional to 201,624.41, 302,504.67 and 89,289.15

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Solution

The fourth proportional to 201,624.41, 302,504.67 and 89,289.15 is: 133,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,624.41 : 302,504.67 = 89,289.15 : x
  2. Step 2: Convert to fraction form
    201,624.41/302,504.67 = 89,289.15/x
  3. Step 3: Cross multiply
    201,624.41x = 302,504.67 × 89,289.15
  4. Step 4: Simplify right side
    201,624.41x = 27,010,384,855.33
  5. Step 5: Solve for x
    x = 27,010,384,855.33/201,624.41
  6. Step 6: Final answer
    x = 133,963.87

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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.