Home / 319,669.80-479,583.63-95,029.28

Finding the Fourth Proportional to 319,669.80, 479,583.63 and 95,029.28

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Solution

The fourth proportional to 319,669.80, 479,583.63 and 95,029.28 is: 142,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,669.80 : 479,583.63 = 95,029.28 : x
  2. Step 2: Convert to fraction form
    319,669.80/479,583.63 = 95,029.28/x
  3. Step 3: Cross multiply
    319,669.80x = 479,583.63 × 95,029.28
  4. Step 4: Simplify right side
    319,669.80x = 45,574,487,058.69
  5. Step 5: Solve for x
    x = 45,574,487,058.69/319,669.80
  6. Step 6: Final answer
    x = 142,567.38

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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.