Home / 118,716.36-178,083.80-34,477.90

Finding the Fourth Proportional to 118,716.36, 178,083.80 and 34,477.90

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Solution

The fourth proportional to 118,716.36, 178,083.80 and 34,477.90 is: 51,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,716.36 : 178,083.80 = 34,477.90 : x
  2. Step 2: Convert to fraction form
    118,716.36/178,083.80 = 34,477.90/x
  3. Step 3: Cross multiply
    118,716.36x = 178,083.80 × 34,477.90
  4. Step 4: Simplify right side
    118,716.36x = 6,139,955,448.02
  5. Step 5: Solve for x
    x = 6,139,955,448.02/118,716.36
  6. Step 6: Final answer
    x = 51,719.54

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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.