Home / 190,550.34-262,986.21-109,960.74

Finding the Fourth Proportional to 190,550.34, 262,986.21 and 109,960.74

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Solution

The fourth proportional to 190,550.34, 262,986.21 and 109,960.74 is: 151,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,550.34 : 262,986.21 = 109,960.74 : x
  2. Step 2: Convert to fraction form
    190,550.34/262,986.21 = 109,960.74/x
  3. Step 3: Cross multiply
    190,550.34x = 262,986.21 × 109,960.74
  4. Step 4: Simplify right side
    190,550.34x = 28,918,158,261.40
  5. Step 5: Solve for x
    x = 28,918,158,261.40/190,550.34
  6. Step 6: Final answer
    x = 151,761.25

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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.