Home / 203,386.76-305,045.45-53,628.51

Finding the Fourth Proportional to 203,386.76, 305,045.45 and 53,628.51

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Solution

The fourth proportional to 203,386.76, 305,045.45 and 53,628.51 is: 80,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,386.76 : 305,045.45 = 53,628.51 : x
  2. Step 2: Convert to fraction form
    203,386.76/305,045.45 = 53,628.51/x
  3. Step 3: Cross multiply
    203,386.76x = 305,045.45 × 53,628.51
  4. Step 4: Simplify right side
    203,386.76x = 16,359,134,042.66
  5. Step 5: Solve for x
    x = 16,359,134,042.66/203,386.76
  6. Step 6: Final answer
    x = 80,433.62

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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.