Home / 278,075.43-383,540.27-182,547.27

Finding the Fourth Proportional to 278,075.43, 383,540.27 and 182,547.27

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Solution

The fourth proportional to 278,075.43, 383,540.27 and 182,547.27 is: 251,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,075.43 : 383,540.27 = 182,547.27 : x
  2. Step 2: Convert to fraction form
    278,075.43/383,540.27 = 182,547.27/x
  3. Step 3: Cross multiply
    278,075.43x = 383,540.27 × 182,547.27
  4. Step 4: Simplify right side
    278,075.43x = 70,014,228,310.83
  5. Step 5: Solve for x
    x = 70,014,228,310.83/278,075.43
  6. Step 6: Final answer
    x = 251,781.43

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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.