Home / 199,374.74-274,981.64-127,761.43

Finding the Fourth Proportional to 199,374.74, 274,981.64 and 127,761.43

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Solution

The fourth proportional to 199,374.74, 274,981.64 and 127,761.43 is: 176,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,374.74 : 274,981.64 = 127,761.43 : x
  2. Step 2: Convert to fraction form
    199,374.74/274,981.64 = 127,761.43/x
  3. Step 3: Cross multiply
    199,374.74x = 274,981.64 × 127,761.43
  4. Step 4: Simplify right side
    199,374.74x = 35,132,045,966.09
  5. Step 5: Solve for x
    x = 35,132,045,966.09/199,374.74
  6. Step 6: Final answer
    x = 176,211.12

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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.