Home / 193,400.01-290,099.63-109,121.93

Finding the Fourth Proportional to 193,400.01, 290,099.63 and 109,121.93

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Solution

The fourth proportional to 193,400.01, 290,099.63 and 109,121.93 is: 163,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,400.01 : 290,099.63 = 109,121.93 : x
  2. Step 2: Convert to fraction form
    193,400.01/290,099.63 = 109,121.93/x
  3. Step 3: Cross multiply
    193,400.01x = 290,099.63 × 109,121.93
  4. Step 4: Simplify right side
    193,400.01x = 31,656,229,521.78
  5. Step 5: Solve for x
    x = 31,656,229,521.78/193,400.01
  6. Step 6: Final answer
    x = 163,682.67

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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.