Home / 190,272.74-262,512.39-109,698.48

Finding the Fourth Proportional to 190,272.74, 262,512.39 and 109,698.48

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Solution

The fourth proportional to 190,272.74, 262,512.39 and 109,698.48 is: 151,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,272.74 : 262,512.39 = 109,698.48 : x
  2. Step 2: Convert to fraction form
    190,272.74/262,512.39 = 109,698.48/x
  3. Step 3: Cross multiply
    190,272.74x = 262,512.39 × 109,698.48
  4. Step 4: Simplify right side
    190,272.74x = 28,797,210,164.17
  5. Step 5: Solve for x
    x = 28,797,210,164.17/190,272.74
  6. Step 6: Final answer
    x = 151,347.01

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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.