Home / 274,721.58-411,749.64-116,618.04

Finding the Fourth Proportional to 274,721.58, 411,749.64 and 116,618.04

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Solution

The fourth proportional to 274,721.58, 411,749.64 and 116,618.04 is: 174,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,721.58 : 411,749.64 = 116,618.04 : x
  2. Step 2: Convert to fraction form
    274,721.58/411,749.64 = 116,618.04/x
  3. Step 3: Cross multiply
    274,721.58x = 411,749.64 × 116,618.04
  4. Step 4: Simplify right side
    274,721.58x = 48,017,435,987.51
  5. Step 5: Solve for x
    x = 48,017,435,987.51/274,721.58
  6. Step 6: Final answer
    x = 174,785.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.