Home / 245,639.40-367,940.70-192,762.60

Finding the Fourth Proportional to 245,639.40, 367,940.70 and 192,762.60

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Solution

The fourth proportional to 245,639.40, 367,940.70 and 192,762.60 is: 288,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,639.40 : 367,940.70 = 192,762.60 : x
  2. Step 2: Convert to fraction form
    245,639.40/367,940.70 = 192,762.60/x
  3. Step 3: Cross multiply
    245,639.40x = 367,940.70 × 192,762.60
  4. Step 4: Simplify right side
    245,639.40x = 70,925,205,977.82
  5. Step 5: Solve for x
    x = 70,925,205,977.82/245,639.40
  6. Step 6: Final answer
    x = 288,737.09

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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.