Home / 140,315.46-210,556.22-51,631.24

Finding the Fourth Proportional to 140,315.46, 210,556.22 and 51,631.24

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Solution

The fourth proportional to 140,315.46, 210,556.22 and 51,631.24 is: 77,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,315.46 : 210,556.22 = 51,631.24 : x
  2. Step 2: Convert to fraction form
    140,315.46/210,556.22 = 51,631.24/x
  3. Step 3: Cross multiply
    140,315.46x = 210,556.22 × 51,631.24
  4. Step 4: Simplify right side
    140,315.46x = 10,871,278,728.31
  5. Step 5: Solve for x
    x = 10,871,278,728.31/140,315.46
  6. Step 6: Final answer
    x = 77,477.41

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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.