Home / 199,323.18-274,996.98-127,742.64

Finding the Fourth Proportional to 199,323.18, 274,996.98 and 127,742.64

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Solution

The fourth proportional to 199,323.18, 274,996.98 and 127,742.64 is: 176,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,323.18 : 274,996.98 = 127,742.64 : x
  2. Step 2: Convert to fraction form
    199,323.18/274,996.98 = 127,742.64/x
  3. Step 3: Cross multiply
    199,323.18x = 274,996.98 × 127,742.64
  4. Step 4: Simplify right side
    199,323.18x = 35,128,840,217.23
  5. Step 5: Solve for x
    x = 35,128,840,217.23/199,323.18
  6. Step 6: Final answer
    x = 176,240.62

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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.