Home / 125,553.09-188,329.98-30,783.69

Finding the Fourth Proportional to 125,553.09, 188,329.98 and 30,783.69

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Solution

The fourth proportional to 125,553.09, 188,329.98 and 30,783.69 is: 46,175.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,553.09 : 188,329.98 = 30,783.69 : x
  2. Step 2: Convert to fraction form
    125,553.09/188,329.98 = 30,783.69/x
  3. Step 3: Cross multiply
    125,553.09x = 188,329.98 × 30,783.69
  4. Step 4: Simplify right side
    125,553.09x = 5,797,491,722.03
  5. Step 5: Solve for x
    x = 5,797,491,722.03/125,553.09
  6. Step 6: Final answer
    x = 46,175.62

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1.5x scale

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.