Home / 205,211.89-308,311.04-193,882.69

Finding the Fourth Proportional to 205,211.89, 308,311.04 and 193,882.69

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Solution

The fourth proportional to 205,211.89, 308,311.04 and 193,882.69 is: 291,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,211.89 : 308,311.04 = 193,882.69 : x
  2. Step 2: Convert to fraction form
    205,211.89/308,311.04 = 193,882.69/x
  3. Step 3: Cross multiply
    205,211.89x = 308,311.04 × 193,882.69
  4. Step 4: Simplify right side
    205,211.89x = 59,776,173,791.90
  5. Step 5: Solve for x
    x = 59,776,173,791.90/205,211.89
  6. Step 6: Final answer
    x = 291,290.01

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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.