Home / 319,556.46-440,990.28-176,321.82

Finding the Fourth Proportional to 319,556.46, 440,990.28 and 176,321.82

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Solution

The fourth proportional to 319,556.46, 440,990.28 and 176,321.82 is: 243,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,556.46 : 440,990.28 = 176,321.82 : x
  2. Step 2: Convert to fraction form
    319,556.46/440,990.28 = 176,321.82/x
  3. Step 3: Cross multiply
    319,556.46x = 440,990.28 × 176,321.82
  4. Step 4: Simplify right side
    319,556.46x = 77,756,208,771.91
  5. Step 5: Solve for x
    x = 77,756,208,771.91/319,556.46
  6. Step 6: Final answer
    x = 243,325.42

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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.