Home / 199,384.13-274,994.53-127,770.81

Finding the Fourth Proportional to 199,384.13, 274,994.53 and 127,770.81

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Solution

The fourth proportional to 199,384.13, 274,994.53 and 127,770.81 is: 176,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,384.13 : 274,994.53 = 127,770.81 : x
  2. Step 2: Convert to fraction form
    199,384.13/274,994.53 = 127,770.81/x
  3. Step 3: Cross multiply
    199,384.13x = 274,994.53 × 127,770.81
  4. Step 4: Simplify right side
    199,384.13x = 35,136,273,892.30
  5. Step 5: Solve for x
    x = 35,136,273,892.30/199,384.13
  6. Step 6: Final answer
    x = 176,224.03

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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.