Home / 313,766.16-432,997.30-170,526.54

Finding the Fourth Proportional to 313,766.16, 432,997.30 and 170,526.54

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Solution

The fourth proportional to 313,766.16, 432,997.30 and 170,526.54 is: 235,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,766.16 : 432,997.30 = 170,526.54 : x
  2. Step 2: Convert to fraction form
    313,766.16/432,997.30 = 170,526.54/x
  3. Step 3: Cross multiply
    313,766.16x = 432,997.30 × 170,526.54
  4. Step 4: Simplify right side
    313,766.16x = 73,837,531,058.22
  5. Step 5: Solve for x
    x = 73,837,531,058.22/313,766.16
  6. Step 6: Final answer
    x = 235,326.63

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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.