Home / 278,855.86-384,813.33-151,527.22

Finding the Fourth Proportional to 278,855.86, 384,813.33 and 151,527.22

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Solution

The fourth proportional to 278,855.86, 384,813.33 and 151,527.22 is: 209,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,855.86 : 384,813.33 = 151,527.22 : x
  2. Step 2: Convert to fraction form
    278,855.86/384,813.33 = 151,527.22/x
  3. Step 3: Cross multiply
    278,855.86x = 384,813.33 × 151,527.22
  4. Step 4: Simplify right side
    278,855.86x = 58,309,694,113.84
  5. Step 5: Solve for x
    x = 58,309,694,113.84/278,855.86
  6. Step 6: Final answer
    x = 209,103.35

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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.