Home / 278,696.07-384,759.90-183,479.54

Finding the Fourth Proportional to 278,696.07, 384,759.90 and 183,479.54

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Solution

The fourth proportional to 278,696.07, 384,759.90 and 183,479.54 is: 253,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,696.07 : 384,759.90 = 183,479.54 : x
  2. Step 2: Convert to fraction form
    278,696.07/384,759.90 = 183,479.54/x
  3. Step 3: Cross multiply
    278,696.07x = 384,759.90 × 183,479.54
  4. Step 4: Simplify right side
    278,696.07x = 70,595,567,538.65
  5. Step 5: Solve for x
    x = 70,595,567,538.65/278,696.07
  6. Step 6: Final answer
    x = 253,306.65

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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.