Home / 203,973.42-281,483.63-113,329.47

Finding the Fourth Proportional to 203,973.42, 281,483.63 and 113,329.47

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Solution

The fourth proportional to 203,973.42, 281,483.63 and 113,329.47 is: 156,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,973.42 : 281,483.63 = 113,329.47 : x
  2. Step 2: Convert to fraction form
    203,973.42/281,483.63 = 113,329.47/x
  3. Step 3: Cross multiply
    203,973.42x = 281,483.63 × 113,329.47
  4. Step 4: Simplify right side
    203,973.42x = 31,900,390,601.58
  5. Step 5: Solve for x
    x = 31,900,390,601.58/203,973.42
  6. Step 6: Final answer
    x = 156,394.84

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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.