Home / 125,329.45-187,880.39-46,388.32

Finding the Fourth Proportional to 125,329.45, 187,880.39 and 46,388.32

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Solution

The fourth proportional to 125,329.45, 187,880.39 and 46,388.32 is: 69,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,329.45 : 187,880.39 = 46,388.32 : x
  2. Step 2: Convert to fraction form
    125,329.45/187,880.39 = 46,388.32/x
  3. Step 3: Cross multiply
    125,329.45x = 187,880.39 × 46,388.32
  4. Step 4: Simplify right side
    125,329.45x = 8,715,455,523.30
  5. Step 5: Solve for x
    x = 8,715,455,523.30/125,329.45
  6. Step 6: Final answer
    x = 69,540.36

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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.