Home / 199,384.47-274,995-127,771.16

Finding the Fourth Proportional to 199,384.47, 274,995 and 127,771.16

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Solution

The fourth proportional to 199,384.47, 274,995 and 127,771.16 is: 176,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,384.47 : 274,995 = 127,771.16 : x
  2. Step 2: Convert to fraction form
    199,384.47/274,995 = 127,771.16/x
  3. Step 3: Cross multiply
    199,384.47x = 274,995 × 127,771.16
  4. Step 4: Simplify right side
    199,384.47x = 35,136,428,769.23
  5. Step 5: Solve for x
    x = 35,136,428,769.23/199,384.47
  6. Step 6: Final answer
    x = 176,224.50

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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.