Home / 278,085.68-383,554.40-182,557.52

Finding the Fourth Proportional to 278,085.68, 383,554.40 and 182,557.52

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Solution

The fourth proportional to 278,085.68, 383,554.40 and 182,557.52 is: 251,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,085.68 : 383,554.40 = 182,557.52 : x
  2. Step 2: Convert to fraction form
    278,085.68/383,554.40 = 182,557.52/x
  3. Step 3: Cross multiply
    278,085.68x = 383,554.40 × 182,557.52
  4. Step 4: Simplify right side
    278,085.68x = 70,020,740,049.09
  5. Step 5: Solve for x
    x = 70,020,740,049.09/278,085.68
  6. Step 6: Final answer
    x = 251,795.56

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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.