Home / 268,749.42-403,089.30-110,956.56

Finding the Fourth Proportional to 268,749.42, 403,089.30 and 110,956.56

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Solution

The fourth proportional to 268,749.42, 403,089.30 and 110,956.56 is: 166,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,749.42 : 403,089.30 = 110,956.56 : x
  2. Step 2: Convert to fraction form
    268,749.42/403,089.30 = 110,956.56/x
  3. Step 3: Cross multiply
    268,749.42x = 403,089.30 × 110,956.56
  4. Step 4: Simplify right side
    268,749.42x = 44,725,402,100.81
  5. Step 5: Solve for x
    x = 44,725,402,100.81/268,749.42
  6. Step 6: Final answer
    x = 166,420.46

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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.