Home / 319,748.04-479,509.47-106,458.03

Finding the Fourth Proportional to 319,748.04, 479,509.47 and 106,458.03

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Solution

The fourth proportional to 319,748.04, 479,509.47 and 106,458.03 is: 159,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,748.04 : 479,509.47 = 106,458.03 : x
  2. Step 2: Convert to fraction form
    319,748.04/479,509.47 = 106,458.03/x
  3. Step 3: Cross multiply
    319,748.04x = 479,509.47 × 106,458.03
  4. Step 4: Simplify right side
    319,748.04x = 51,047,633,542.54
  5. Step 5: Solve for x
    x = 51,047,633,542.54/319,748.04
  6. Step 6: Final answer
    x = 159,649.56

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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.