Home / 271,916.07-407,812.44-103,376.43

Finding the Fourth Proportional to 271,916.07, 407,812.44 and 103,376.43

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Solution

The fourth proportional to 271,916.07, 407,812.44 and 103,376.43 is: 155,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,916.07 : 407,812.44 = 103,376.43 : x
  2. Step 2: Convert to fraction form
    271,916.07/407,812.44 = 103,376.43/x
  3. Step 3: Cross multiply
    271,916.07x = 407,812.44 × 103,376.43
  4. Step 4: Simplify right side
    271,916.07x = 42,158,194,156.79
  5. Step 5: Solve for x
    x = 42,158,194,156.79/271,916.07
  6. Step 6: Final answer
    x = 155,041.20

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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.