Home / 190,645.20-263,090.69-105,762.26

Finding the Fourth Proportional to 190,645.20, 263,090.69 and 105,762.26

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Solution

The fourth proportional to 190,645.20, 263,090.69 and 105,762.26 is: 145,952.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,645.20 : 263,090.69 = 105,762.26 : x
  2. Step 2: Convert to fraction form
    190,645.20/263,090.69 = 105,762.26/x
  3. Step 3: Cross multiply
    190,645.20x = 263,090.69 × 105,762.26
  4. Step 4: Simplify right side
    190,645.20x = 27,825,064,115.09
  5. Step 5: Solve for x
    x = 27,825,064,115.09/190,645.20
  6. Step 6: Final answer
    x = 145,952.08

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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.