Home / 401,216.77-601,729.64-161,331.23

Finding the Fourth Proportional to 401,216.77, 601,729.64 and 161,331.23

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Solution

The fourth proportional to 401,216.77, 601,729.64 and 161,331.23 is: 241,958.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,216.77 : 601,729.64 = 161,331.23 : x
  2. Step 2: Convert to fraction form
    401,216.77/601,729.64 = 161,331.23/x
  3. Step 3: Cross multiply
    401,216.77x = 601,729.64 × 161,331.23
  4. Step 4: Simplify right side
    401,216.77x = 97,077,783,972.32
  5. Step 5: Solve for x
    x = 97,077,783,972.32/401,216.77
  6. Step 6: Final answer
    x = 241,958.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.