Home / 190,064.69-262,183.98-122,005.25

Finding the Fourth Proportional to 190,064.69, 262,183.98 and 122,005.25

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Solution

The fourth proportional to 190,064.69, 262,183.98 and 122,005.25 is: 168,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,064.69 : 262,183.98 = 122,005.25 : x
  2. Step 2: Convert to fraction form
    190,064.69/262,183.98 = 122,005.25/x
  3. Step 3: Cross multiply
    190,064.69x = 262,183.98 × 122,005.25
  4. Step 4: Simplify right side
    190,064.69x = 31,987,821,666.53
  5. Step 5: Solve for x
    x = 31,987,821,666.53/190,064.69
  6. Step 6: Final answer
    x = 168,299.65

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1.5x scale

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.