Home / 190,408.48-262,703.66-109,825.20

Finding the Fourth Proportional to 190,408.48, 262,703.66 and 109,825.20

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Solution

The fourth proportional to 190,408.48, 262,703.66 and 109,825.20 is: 151,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,408.48 : 262,703.66 = 109,825.20 : x
  2. Step 2: Convert to fraction form
    190,408.48/262,703.66 = 109,825.20/x
  3. Step 3: Cross multiply
    190,408.48x = 262,703.66 × 109,825.20
  4. Step 4: Simplify right side
    190,408.48x = 28,851,482,000.23
  5. Step 5: Solve for x
    x = 28,851,482,000.23/190,408.48
  6. Step 6: Final answer
    x = 151,524.14

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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.