Home / 190,529.12-262,951.83-109,978.26

Finding the Fourth Proportional to 190,529.12, 262,951.83 and 109,978.26

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Solution

The fourth proportional to 190,529.12, 262,951.83 and 109,978.26 is: 151,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,529.12 : 262,951.83 = 109,978.26 : x
  2. Step 2: Convert to fraction form
    190,529.12/262,951.83 = 109,978.26/x
  3. Step 3: Cross multiply
    190,529.12x = 262,951.83 × 109,978.26
  4. Step 4: Simplify right side
    190,529.12x = 28,918,984,727.22
  5. Step 5: Solve for x
    x = 28,918,984,727.22/190,529.12
  6. Step 6: Final answer
    x = 151,782.50

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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.