Home / 190,412.47-262,759.09-109,835.19

Finding the Fourth Proportional to 190,412.47, 262,759.09 and 109,835.19

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Solution

The fourth proportional to 190,412.47, 262,759.09 and 109,835.19 is: 151,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,412.47 : 262,759.09 = 109,835.19 : x
  2. Step 2: Convert to fraction form
    190,412.47/262,759.09 = 109,835.19/x
  3. Step 3: Cross multiply
    190,412.47x = 262,759.09 × 109,835.19
  4. Step 4: Simplify right side
    190,412.47x = 28,860,194,505.73
  5. Step 5: Solve for x
    x = 28,860,194,505.73/190,412.47
  6. Step 6: Final answer
    x = 151,566.72

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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.