Home / 190,412.32-262,739.28-109,842.88

Finding the Fourth Proportional to 190,412.32, 262,739.28 and 109,842.88

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Solution

The fourth proportional to 190,412.32, 262,739.28 and 109,842.88 is: 151,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,412.32 : 262,739.28 = 109,842.88 : x
  2. Step 2: Convert to fraction form
    190,412.32/262,739.28 = 109,842.88/x
  3. Step 3: Cross multiply
    190,412.32x = 262,739.28 × 109,842.88
  4. Step 4: Simplify right side
    190,412.32x = 28,860,039,204.33
  5. Step 5: Solve for x
    x = 28,860,039,204.33/190,412.32
  6. Step 6: Final answer
    x = 151,566.03

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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.