Home / 369,916.20-554,874.30-133,173.45

Finding the Fourth Proportional to 369,916.20, 554,874.30 and 133,173.45

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Solution

The fourth proportional to 369,916.20, 554,874.30 and 133,173.45 is: 199,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,916.20 : 554,874.30 = 133,173.45 : x
  2. Step 2: Convert to fraction form
    369,916.20/554,874.30 = 133,173.45/x
  3. Step 3: Cross multiply
    369,916.20x = 554,874.30 × 133,173.45
  4. Step 4: Simplify right side
    369,916.20x = 73,894,524,847.34
  5. Step 5: Solve for x
    x = 73,894,524,847.34/369,916.20
  6. Step 6: Final answer
    x = 199,760.18

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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.