Home / 268,431.72-402,352.30-110,574.06

Finding the Fourth Proportional to 268,431.72, 402,352.30 and 110,574.06

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Solution

The fourth proportional to 268,431.72, 402,352.30 and 110,574.06 is: 165,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,431.72 : 402,352.30 = 110,574.06 : x
  2. Step 2: Convert to fraction form
    268,431.72/402,352.30 = 110,574.06/x
  3. Step 3: Cross multiply
    268,431.72x = 402,352.30 × 110,574.06
  4. Step 4: Simplify right side
    268,431.72x = 44,489,727,361.34
  5. Step 5: Solve for x
    x = 44,489,727,361.34/268,431.72
  6. Step 6: Final answer
    x = 165,739.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.