Home / 371,449.13-557,146.44-118,661.73

Finding the Fourth Proportional to 371,449.13, 557,146.44 and 118,661.73

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Solution

The fourth proportional to 371,449.13, 557,146.44 and 118,661.73 is: 177,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,449.13 : 557,146.44 = 118,661.73 : x
  2. Step 2: Convert to fraction form
    371,449.13/557,146.44 = 118,661.73/x
  3. Step 3: Cross multiply
    371,449.13x = 557,146.44 × 118,661.73
  4. Step 4: Simplify right side
    371,449.13x = 66,111,960,433.74
  5. Step 5: Solve for x
    x = 66,111,960,433.74/371,449.13
  6. Step 6: Final answer
    x = 177,983.89

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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.