Home / 175,474.56-262,599.36-143,515.20

Finding the Fourth Proportional to 175,474.56, 262,599.36 and 143,515.20

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Solution

The fourth proportional to 175,474.56, 262,599.36 and 143,515.20 is: 214,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,474.56 : 262,599.36 = 143,515.20 : x
  2. Step 2: Convert to fraction form
    175,474.56/262,599.36 = 143,515.20/x
  3. Step 3: Cross multiply
    175,474.56x = 262,599.36 × 143,515.20
  4. Step 4: Simplify right side
    175,474.56x = 37,686,999,670.27
  5. Step 5: Solve for x
    x = 37,686,999,670.27/175,474.56
  6. Step 6: Final answer
    x = 214,771.87

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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.