Home / 125,553.10-188,329.96-30,783.70

Finding the Fourth Proportional to 125,553.10, 188,329.96 and 30,783.70

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Solution

The fourth proportional to 125,553.10, 188,329.96 and 30,783.70 is: 46,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,553.10 : 188,329.96 = 30,783.70 : x
  2. Step 2: Convert to fraction form
    125,553.10/188,329.96 = 30,783.70/x
  3. Step 3: Cross multiply
    125,553.10x = 188,329.96 × 30,783.70
  4. Step 4: Simplify right side
    125,553.10x = 5,797,492,989.65
  5. Step 5: Solve for x
    x = 5,797,492,989.65/125,553.10
  6. Step 6: Final answer
    x = 46,175.63

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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.