Home / 251,090.42-346,406.63-143,603.01

Finding the Fourth Proportional to 251,090.42, 346,406.63 and 143,603.01

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Solution

The fourth proportional to 251,090.42, 346,406.63 and 143,603.01 is: 198,116.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,090.42 : 346,406.63 = 143,603.01 : x
  2. Step 2: Convert to fraction form
    251,090.42/346,406.63 = 143,603.01/x
  3. Step 3: Cross multiply
    251,090.42x = 346,406.63 × 143,603.01
  4. Step 4: Simplify right side
    251,090.42x = 49,745,034,033.94
  5. Step 5: Solve for x
    x = 49,745,034,033.94/251,090.42
  6. Step 6: Final answer
    x = 198,116.02

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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.