Home / 188,697.36-260,396.04-103,813.68

Finding the Fourth Proportional to 188,697.36, 260,396.04 and 103,813.68

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Solution

The fourth proportional to 188,697.36, 260,396.04 and 103,813.68 is: 143,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,697.36 : 260,396.04 = 103,813.68 : x
  2. Step 2: Convert to fraction form
    188,697.36/260,396.04 = 103,813.68/x
  3. Step 3: Cross multiply
    188,697.36x = 260,396.04 × 103,813.68
  4. Step 4: Simplify right side
    188,697.36x = 27,032,671,169.83
  5. Step 5: Solve for x
    x = 27,032,671,169.83/188,697.36
  6. Step 6: Final answer
    x = 143,259.40

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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.