Home / 208,100.93-312,151.55-50,329.53

Finding the Fourth Proportional to 208,100.93, 312,151.55 and 50,329.53

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Solution

The fourth proportional to 208,100.93, 312,151.55 and 50,329.53 is: 75,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,100.93 : 312,151.55 = 50,329.53 : x
  2. Step 2: Convert to fraction form
    208,100.93/312,151.55 = 50,329.53/x
  3. Step 3: Cross multiply
    208,100.93x = 312,151.55 × 50,329.53
  4. Step 4: Simplify right side
    208,100.93x = 15,710,440,548.62
  5. Step 5: Solve for x
    x = 15,710,440,548.62/208,100.93
  6. Step 6: Final answer
    x = 75,494.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.