Home / 190,392.36-262,751.97-105,507.60

Finding the Fourth Proportional to 190,392.36, 262,751.97 and 105,507.60

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Solution

The fourth proportional to 190,392.36, 262,751.97 and 105,507.60 is: 145,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,392.36 : 262,751.97 = 105,507.60 : x
  2. Step 2: Convert to fraction form
    190,392.36/262,751.97 = 105,507.60/x
  3. Step 3: Cross multiply
    190,392.36x = 262,751.97 × 105,507.60
  4. Step 4: Simplify right side
    190,392.36x = 27,722,329,749.97
  5. Step 5: Solve for x
    x = 27,722,329,749.97/190,392.36
  6. Step 6: Final answer
    x = 145,606.31

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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.