Home / 215,396.55-323,094.96-103,050.36

Finding the Fourth Proportional to 215,396.55, 323,094.96 and 103,050.36

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Solution

The fourth proportional to 215,396.55, 323,094.96 and 103,050.36 is: 154,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,396.55 : 323,094.96 = 103,050.36 : x
  2. Step 2: Convert to fraction form
    215,396.55/323,094.96 = 103,050.36/x
  3. Step 3: Cross multiply
    215,396.55x = 323,094.96 × 103,050.36
  4. Step 4: Simplify right side
    215,396.55x = 33,295,051,942.19
  5. Step 5: Solve for x
    x = 33,295,051,942.19/215,396.55
  6. Step 6: Final answer
    x = 154,575.60

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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.