Home / 114,999.03-172,412.28-77,453.73

Finding the Fourth Proportional to 114,999.03, 172,412.28 and 77,453.73

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Solution

The fourth proportional to 114,999.03, 172,412.28 and 77,453.73 is: 116,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,999.03 : 172,412.28 = 77,453.73 : x
  2. Step 2: Convert to fraction form
    114,999.03/172,412.28 = 77,453.73/x
  3. Step 3: Cross multiply
    114,999.03x = 172,412.28 × 77,453.73
  4. Step 4: Simplify right side
    114,999.03x = 13,353,974,183.80
  5. Step 5: Solve for x
    x = 13,353,974,183.80/114,999.03
  6. Step 6: Final answer
    x = 116,122.49

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1.5x scale

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.