Home / 355,925.22-491,129.37-204,993.06

Finding the Fourth Proportional to 355,925.22, 491,129.37 and 204,993.06

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Solution

The fourth proportional to 355,925.22, 491,129.37 and 204,993.06 is: 282,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,925.22 : 491,129.37 = 204,993.06 : x
  2. Step 2: Convert to fraction form
    355,925.22/491,129.37 = 204,993.06/x
  3. Step 3: Cross multiply
    355,925.22x = 491,129.37 × 204,993.06
  4. Step 4: Simplify right side
    355,925.22x = 100,678,112,412.17
  5. Step 5: Solve for x
    x = 100,678,112,412.17/355,925.22
  6. Step 6: Final answer
    x = 282,863.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.