Home / 313,866.24-433,130.31-170,629.86

Finding the Fourth Proportional to 313,866.24, 433,130.31 and 170,629.86

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Solution

The fourth proportional to 313,866.24, 433,130.31 and 170,629.86 is: 235,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,866.24 : 433,130.31 = 170,629.86 : x
  2. Step 2: Convert to fraction form
    313,866.24/433,130.31 = 170,629.86/x
  3. Step 3: Cross multiply
    313,866.24x = 433,130.31 × 170,629.86
  4. Step 4: Simplify right side
    313,866.24x = 73,904,964,157.06
  5. Step 5: Solve for x
    x = 73,904,964,157.06/313,866.24
  6. Step 6: Final answer
    x = 235,466.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.