Home / 190,393.92-262,740.96-109,821.60

Finding the Fourth Proportional to 190,393.92, 262,740.96 and 109,821.60

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Solution

The fourth proportional to 190,393.92, 262,740.96 and 109,821.60 is: 151,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,393.92 : 262,740.96 = 109,821.60 : x
  2. Step 2: Convert to fraction form
    190,393.92/262,740.96 = 109,821.60/x
  3. Step 3: Cross multiply
    190,393.92x = 262,740.96 × 109,821.60
  4. Step 4: Simplify right side
    190,393.92x = 28,854,632,612.74
  5. Step 5: Solve for x
    x = 28,854,632,612.74/190,393.92
  6. Step 6: Final answer
    x = 151,552.28

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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.