Home / 403,414.03-605,186.72-119,133.33

Finding the Fourth Proportional to 403,414.03, 605,186.72 and 119,133.33

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Solution

The fourth proportional to 403,414.03, 605,186.72 and 119,133.33 is: 178,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,414.03 : 605,186.72 = 119,133.33 : x
  2. Step 2: Convert to fraction form
    403,414.03/605,186.72 = 119,133.33/x
  3. Step 3: Cross multiply
    403,414.03x = 605,186.72 × 119,133.33
  4. Step 4: Simplify right side
    403,414.03x = 72,097,908,629.71
  5. Step 5: Solve for x
    x = 72,097,908,629.71/403,414.03
  6. Step 6: Final answer
    x = 178,719.39

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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.