Home / 459,067.60-688,601.40-122,107.60

Finding the Fourth Proportional to 459,067.60, 688,601.40 and 122,107.60

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Solution

The fourth proportional to 459,067.60, 688,601.40 and 122,107.60 is: 183,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,067.60 : 688,601.40 = 122,107.60 : x
  2. Step 2: Convert to fraction form
    459,067.60/688,601.40 = 122,107.60/x
  3. Step 3: Cross multiply
    459,067.60x = 688,601.40 × 122,107.60
  4. Step 4: Simplify right side
    459,067.60x = 84,083,464,310.64
  5. Step 5: Solve for x
    x = 84,083,464,310.64/459,067.60
  6. Step 6: Final answer
    x = 183,161.40

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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.