Home / 183,189.12-274,887.60-77,997.12

Finding the Fourth Proportional to 183,189.12, 274,887.60 and 77,997.12

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Solution

The fourth proportional to 183,189.12, 274,887.60 and 77,997.12 is: 117,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,189.12 : 274,887.60 = 77,997.12 : x
  2. Step 2: Convert to fraction form
    183,189.12/274,887.60 = 77,997.12/x
  3. Step 3: Cross multiply
    183,189.12x = 274,887.60 × 77,997.12
  4. Step 4: Simplify right side
    183,189.12x = 21,440,441,123.71
  5. Step 5: Solve for x
    x = 21,440,441,123.71/183,189.12
  6. Step 6: Final answer
    x = 117,039.93

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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.