Home / 319,858.36-441,401.61-176,615.26

Finding the Fourth Proportional to 319,858.36, 441,401.61 and 176,615.26

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Solution

The fourth proportional to 319,858.36, 441,401.61 and 176,615.26 is: 243,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,858.36 : 441,401.61 = 176,615.26 : x
  2. Step 2: Convert to fraction form
    319,858.36/441,401.61 = 176,615.26/x
  3. Step 3: Cross multiply
    319,858.36x = 441,401.61 × 176,615.26
  4. Step 4: Simplify right side
    319,858.36x = 77,958,260,114.57
  5. Step 5: Solve for x
    x = 77,958,260,114.57/319,858.36
  6. Step 6: Final answer
    x = 243,727.44

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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.