Home / 319,990.39-441,578.28-176,747.36

Finding the Fourth Proportional to 319,990.39, 441,578.28 and 176,747.36

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Solution

The fourth proportional to 319,990.39, 441,578.28 and 176,747.36 is: 243,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,990.39 : 441,578.28 = 176,747.36 : x
  2. Step 2: Convert to fraction form
    319,990.39/441,578.28 = 176,747.36/x
  3. Step 3: Cross multiply
    319,990.39x = 441,578.28 × 176,747.36
  4. Step 4: Simplify right side
    319,990.39x = 78,047,794,119.40
  5. Step 5: Solve for x
    x = 78,047,794,119.40/319,990.39
  6. Step 6: Final answer
    x = 243,906.68

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1.5x scale

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.