Home / 370,543.23-511,349.75-200,777.35

Finding the Fourth Proportional to 370,543.23, 511,349.75 and 200,777.35

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Solution

The fourth proportional to 370,543.23, 511,349.75 and 200,777.35 is: 277,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,543.23 : 511,349.75 = 200,777.35 : x
  2. Step 2: Convert to fraction form
    370,543.23/511,349.75 = 200,777.35/x
  3. Step 3: Cross multiply
    370,543.23x = 511,349.75 × 200,777.35
  4. Step 4: Simplify right side
    370,543.23x = 102,667,447,728.16
  5. Step 5: Solve for x
    x = 102,667,447,728.16/370,543.23
  6. Step 6: Final answer
    x = 277,072.79

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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.