Home / 300,823.70-415,026.87-179,968.46

Finding the Fourth Proportional to 300,823.70, 415,026.87 and 179,968.46

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Solution

The fourth proportional to 300,823.70, 415,026.87 and 179,968.46 is: 248,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,823.70 : 415,026.87 = 179,968.46 : x
  2. Step 2: Convert to fraction form
    300,823.70/415,026.87 = 179,968.46/x
  3. Step 3: Cross multiply
    300,823.70x = 415,026.87 × 179,968.46
  4. Step 4: Simplify right side
    300,823.70x = 74,691,746,652.52
  5. Step 5: Solve for x
    x = 74,691,746,652.52/300,823.70
  6. Step 6: Final answer
    x = 248,290.77

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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.