Home / 231,181.02-346,770.45-73,421.64

Finding the Fourth Proportional to 231,181.02, 346,770.45 and 73,421.64

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Solution

The fourth proportional to 231,181.02, 346,770.45 and 73,421.64 is: 110,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,181.02 : 346,770.45 = 73,421.64 : x
  2. Step 2: Convert to fraction form
    231,181.02/346,770.45 = 73,421.64/x
  3. Step 3: Cross multiply
    231,181.02x = 346,770.45 × 73,421.64
  4. Step 4: Simplify right side
    231,181.02x = 25,460,455,142.54
  5. Step 5: Solve for x
    x = 25,460,455,142.54/231,181.02
  6. Step 6: Final answer
    x = 110,132.12

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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.