Home / 235,157.77-324,513.30-133,181.74

Finding the Fourth Proportional to 235,157.77, 324,513.30 and 133,181.74

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Solution

The fourth proportional to 235,157.77, 324,513.30 and 133,181.74 is: 183,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,157.77 : 324,513.30 = 133,181.74 : x
  2. Step 2: Convert to fraction form
    235,157.77/324,513.30 = 133,181.74/x
  3. Step 3: Cross multiply
    235,157.77x = 324,513.30 × 133,181.74
  4. Step 4: Simplify right side
    235,157.77x = 43,219,245,947.14
  5. Step 5: Solve for x
    x = 43,219,245,947.14/235,157.77
  6. Step 6: Final answer
    x = 183,788.30

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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.