Home / 118,694.04-178,083.18-39,808.14

Finding the Fourth Proportional to 118,694.04, 178,083.18 and 39,808.14

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Solution

The fourth proportional to 118,694.04, 178,083.18 and 39,808.14 is: 59,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,694.04 : 178,083.18 = 39,808.14 : x
  2. Step 2: Convert to fraction form
    118,694.04/178,083.18 = 39,808.14/x
  3. Step 3: Cross multiply
    118,694.04x = 178,083.18 × 39,808.14
  4. Step 4: Simplify right side
    118,694.04x = 7,089,160,161.09
  5. Step 5: Solve for x
    x = 7,089,160,161.09/118,694.04
  6. Step 6: Final answer
    x = 59,726.34

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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.