Home / 194,188.22-291,322.08-74,236.66

Finding the Fourth Proportional to 194,188.22, 291,322.08 and 74,236.66

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Solution

The fourth proportional to 194,188.22, 291,322.08 and 74,236.66 is: 111,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,188.22 : 291,322.08 = 74,236.66 : x
  2. Step 2: Convert to fraction form
    194,188.22/291,322.08 = 74,236.66/x
  3. Step 3: Cross multiply
    194,188.22x = 291,322.08 × 74,236.66
  4. Step 4: Simplify right side
    194,188.22x = 21,626,778,203.45
  5. Step 5: Solve for x
    x = 21,626,778,203.45/194,188.22
  6. Step 6: Final answer
    x = 111,370.19

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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.