Home / 203,691.24-281,127.72-118,808.32

Finding the Fourth Proportional to 203,691.24, 281,127.72 and 118,808.32

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Solution

The fourth proportional to 203,691.24, 281,127.72 and 118,808.32 is: 163,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,691.24 : 281,127.72 = 118,808.32 : x
  2. Step 2: Convert to fraction form
    203,691.24/281,127.72 = 118,808.32/x
  3. Step 3: Cross multiply
    203,691.24x = 281,127.72 × 118,808.32
  4. Step 4: Simplify right side
    203,691.24x = 33,400,312,118.63
  5. Step 5: Solve for x
    x = 33,400,312,118.63/203,691.24
  6. Step 6: Final answer
    x = 163,975.20

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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.