Home / 178,256.42-267,381.78-43,321.58

Finding the Fourth Proportional to 178,256.42, 267,381.78 and 43,321.58

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Solution

The fourth proportional to 178,256.42, 267,381.78 and 43,321.58 is: 64,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,256.42 : 267,381.78 = 43,321.58 : x
  2. Step 2: Convert to fraction form
    178,256.42/267,381.78 = 43,321.58/x
  3. Step 3: Cross multiply
    178,256.42x = 267,381.78 × 43,321.58
  4. Step 4: Simplify right side
    178,256.42x = 11,583,401,172.81
  5. Step 5: Solve for x
    x = 11,583,401,172.81/178,256.42
  6. Step 6: Final answer
    x = 64,981.68

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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.