Home / 278,089.93-383,560.27-182,561.77

Finding the Fourth Proportional to 278,089.93, 383,560.27 and 182,561.77

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Solution

The fourth proportional to 278,089.93, 383,560.27 and 182,561.77 is: 251,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,089.93 : 383,560.27 = 182,561.77 : x
  2. Step 2: Convert to fraction form
    278,089.93/383,560.27 = 182,561.77/x
  3. Step 3: Cross multiply
    278,089.93x = 383,560.27 × 182,561.77
  4. Step 4: Simplify right side
    278,089.93x = 70,023,441,792.88
  5. Step 5: Solve for x
    x = 70,023,441,792.88/278,089.93
  6. Step 6: Final answer
    x = 251,801.43

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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.