Home / 190,534.20-262,918.23-109,987.68

Finding the Fourth Proportional to 190,534.20, 262,918.23 and 109,987.68

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Solution

The fourth proportional to 190,534.20, 262,918.23 and 109,987.68 is: 151,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,534.20 : 262,918.23 = 109,987.68 : x
  2. Step 2: Convert to fraction form
    190,534.20/262,918.23 = 109,987.68/x
  3. Step 3: Cross multiply
    190,534.20x = 262,918.23 × 109,987.68
  4. Step 4: Simplify right side
    190,534.20x = 28,917,766,147.41
  5. Step 5: Solve for x
    x = 28,917,766,147.41/190,534.20
  6. Step 6: Final answer
    x = 151,772.05

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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.