Home / 133,025.03-183,605.96-76,469.21

Finding the Fourth Proportional to 133,025.03, 183,605.96 and 76,469.21

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Solution

The fourth proportional to 133,025.03, 183,605.96 and 76,469.21 is: 105,545.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,025.03 : 183,605.96 = 76,469.21 : x
  2. Step 2: Convert to fraction form
    133,025.03/183,605.96 = 76,469.21/x
  3. Step 3: Cross multiply
    133,025.03x = 183,605.96 × 76,469.21
  4. Step 4: Simplify right side
    133,025.03x = 14,040,202,712.49
  5. Step 5: Solve for x
    x = 14,040,202,712.49/133,025.03
  6. Step 6: Final answer
    x = 105,545.57

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1.5x scale

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.