Home / 199,123.20-274,827.60-114,295.68

Finding the Fourth Proportional to 199,123.20, 274,827.60 and 114,295.68

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Solution

The fourth proportional to 199,123.20, 274,827.60 and 114,295.68 is: 157,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,123.20 : 274,827.60 = 114,295.68 : x
  2. Step 2: Convert to fraction form
    199,123.20/274,827.60 = 114,295.68/x
  3. Step 3: Cross multiply
    199,123.20x = 274,827.60 × 114,295.68
  4. Step 4: Simplify right side
    199,123.20x = 31,411,607,424.77
  5. Step 5: Solve for x
    x = 31,411,607,424.77/199,123.20
  6. Step 6: Final answer
    x = 157,749.61

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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.