Home / 190,221.36-262,505.24-105,338.32

Finding the Fourth Proportional to 190,221.36, 262,505.24 and 105,338.32

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Solution

The fourth proportional to 190,221.36, 262,505.24 and 105,338.32 is: 145,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,221.36 : 262,505.24 = 105,338.32 : x
  2. Step 2: Convert to fraction form
    190,221.36/262,505.24 = 105,338.32/x
  3. Step 3: Cross multiply
    190,221.36x = 262,505.24 × 105,338.32
  4. Step 4: Simplify right side
    190,221.36x = 27,651,860,972.80
  5. Step 5: Solve for x
    x = 27,651,860,972.80/190,221.36
  6. Step 6: Final answer
    x = 145,366.75

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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.