Home / 400,973.56-601,467.93-131,101.81

Finding the Fourth Proportional to 400,973.56, 601,467.93 and 131,101.81

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Solution

The fourth proportional to 400,973.56, 601,467.93 and 131,101.81 is: 196,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,973.56 : 601,467.93 = 131,101.81 : x
  2. Step 2: Convert to fraction form
    400,973.56/601,467.93 = 131,101.81/x
  3. Step 3: Cross multiply
    400,973.56x = 601,467.93 × 131,101.81
  4. Step 4: Simplify right side
    400,973.56x = 78,853,532,776.28
  5. Step 5: Solve for x
    x = 78,853,532,776.28/400,973.56
  6. Step 6: Final answer
    x = 196,655.19

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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.