Home / 346,067.21-477,501.44-198,863.60

Finding the Fourth Proportional to 346,067.21, 477,501.44 and 198,863.60

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Solution

The fourth proportional to 346,067.21, 477,501.44 and 198,863.60 is: 274,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,067.21 : 477,501.44 = 198,863.60 : x
  2. Step 2: Convert to fraction form
    346,067.21/477,501.44 = 198,863.60/x
  3. Step 3: Cross multiply
    346,067.21x = 477,501.44 × 198,863.60
  4. Step 4: Simplify right side
    346,067.21x = 94,957,657,054.50
  5. Step 5: Solve for x
    x = 94,957,657,054.50/346,067.21
  6. Step 6: Final answer
    x = 274,390.80

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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.