Home / 199,130.89-274,823.04-122,635.03

Finding the Fourth Proportional to 199,130.89, 274,823.04 and 122,635.03

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Solution

The fourth proportional to 199,130.89, 274,823.04 and 122,635.03 is: 169,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,130.89 : 274,823.04 = 122,635.03 : x
  2. Step 2: Convert to fraction form
    199,130.89/274,823.04 = 122,635.03/x
  3. Step 3: Cross multiply
    199,130.89x = 274,823.04 × 122,635.03
  4. Step 4: Simplify right side
    199,130.89x = 33,702,931,755.09
  5. Step 5: Solve for x
    x = 33,702,931,755.09/199,130.89
  6. Step 6: Final answer
    x = 169,250.14

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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.