Home / 204,330.57-281,971.76-118,293.19

Finding the Fourth Proportional to 204,330.57, 281,971.76 and 118,293.19

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Solution

The fourth proportional to 204,330.57, 281,971.76 and 118,293.19 is: 163,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,330.57 : 281,971.76 = 118,293.19 : x
  2. Step 2: Convert to fraction form
    204,330.57/281,971.76 = 118,293.19/x
  3. Step 3: Cross multiply
    204,330.57x = 281,971.76 × 118,293.19
  4. Step 4: Simplify right side
    204,330.57x = 33,355,339,980.98
  5. Step 5: Solve for x
    x = 33,355,339,980.98/204,330.57
  6. Step 6: Final answer
    x = 163,242.05

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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.