Home / 208,823.86-288,028.07-191,651.55

Finding the Fourth Proportional to 208,823.86, 288,028.07 and 191,651.55

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Solution

The fourth proportional to 208,823.86, 288,028.07 and 191,651.55 is: 264,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,823.86 : 288,028.07 = 191,651.55 : x
  2. Step 2: Convert to fraction form
    208,823.86/288,028.07 = 191,651.55/x
  3. Step 3: Cross multiply
    208,823.86x = 288,028.07 × 191,651.55
  4. Step 4: Simplify right side
    208,823.86x = 55,201,026,611.87
  5. Step 5: Solve for x
    x = 55,201,026,611.87/208,823.86
  6. Step 6: Final answer
    x = 264,342.53

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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.