Home / 278,128.38-383,813.46-150,801.24

Finding the Fourth Proportional to 278,128.38, 383,813.46 and 150,801.24

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Solution

The fourth proportional to 278,128.38, 383,813.46 and 150,801.24 is: 208,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,128.38 : 383,813.46 = 150,801.24 : x
  2. Step 2: Convert to fraction form
    278,128.38/383,813.46 = 150,801.24/x
  3. Step 3: Cross multiply
    278,128.38x = 383,813.46 × 150,801.24
  4. Step 4: Simplify right side
    278,128.38x = 57,879,545,696.69
  5. Step 5: Solve for x
    x = 57,879,545,696.69/278,128.38
  6. Step 6: Final answer
    x = 208,103.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.