Home / 203,386.75-305,045.46-53,628.53

Finding the Fourth Proportional to 203,386.75, 305,045.46 and 53,628.53

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Solution

The fourth proportional to 203,386.75, 305,045.46 and 53,628.53 is: 80,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,386.75 : 305,045.46 = 53,628.53 : x
  2. Step 2: Convert to fraction form
    203,386.75/305,045.46 = 53,628.53/x
  3. Step 3: Cross multiply
    203,386.75x = 305,045.46 × 53,628.53
  4. Step 4: Simplify right side
    203,386.75x = 16,359,138,077.75
  5. Step 5: Solve for x
    x = 16,359,138,077.75/203,386.75
  6. Step 6: Final answer
    x = 80,433.65

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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.