Home / 193,742.56-290,034.48-118,626.40

Finding the Fourth Proportional to 193,742.56, 290,034.48 and 118,626.40

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Solution

The fourth proportional to 193,742.56, 290,034.48 and 118,626.40 is: 177,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,742.56 : 290,034.48 = 118,626.40 : x
  2. Step 2: Convert to fraction form
    193,742.56/290,034.48 = 118,626.40/x
  3. Step 3: Cross multiply
    193,742.56x = 290,034.48 × 118,626.40
  4. Step 4: Simplify right side
    193,742.56x = 34,405,746,238.27
  5. Step 5: Solve for x
    x = 34,405,746,238.27/193,742.56
  6. Step 6: Final answer
    x = 177,584.86

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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.