Home / 190,137.76-262,110.60-144,736.64

Finding the Fourth Proportional to 190,137.76, 262,110.60 and 144,736.64

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Solution

The fourth proportional to 190,137.76, 262,110.60 and 144,736.64 is: 199,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,137.76 : 262,110.60 = 144,736.64 : x
  2. Step 2: Convert to fraction form
    190,137.76/262,110.60 = 144,736.64/x
  3. Step 3: Cross multiply
    190,137.76x = 262,110.60 × 144,736.64
  4. Step 4: Simplify right side
    190,137.76x = 37,937,007,552.38
  5. Step 5: Solve for x
    x = 37,937,007,552.38/190,137.76
  6. Step 6: Final answer
    x = 199,523.80

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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.