Home / 254,502.56-381,603-96,741.44

Finding the Fourth Proportional to 254,502.56, 381,603 and 96,741.44

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Solution

The fourth proportional to 254,502.56, 381,603 and 96,741.44 is: 145,054.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,502.56 : 381,603 = 96,741.44 : x
  2. Step 2: Convert to fraction form
    254,502.56/381,603 = 96,741.44/x
  3. Step 3: Cross multiply
    254,502.56x = 381,603 × 96,741.44
  4. Step 4: Simplify right side
    254,502.56x = 36,916,823,728.32
  5. Step 5: Solve for x
    x = 36,916,823,728.32/254,502.56
  6. Step 6: Final answer
    x = 145,054.82

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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.