Home / 373,986.30-516,138.40-223,083.30

Finding the Fourth Proportional to 373,986.30, 516,138.40 and 223,083.30

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Solution

The fourth proportional to 373,986.30, 516,138.40 and 223,083.30 is: 307,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,986.30 : 516,138.40 = 223,083.30 : x
  2. Step 2: Convert to fraction form
    373,986.30/516,138.40 = 223,083.30/x
  3. Step 3: Cross multiply
    373,986.30x = 516,138.40 × 223,083.30
  4. Step 4: Simplify right side
    373,986.30x = 115,141,857,528.72
  5. Step 5: Solve for x
    x = 115,141,857,528.72/373,986.30
  6. Step 6: Final answer
    x = 307,877.21

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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.