Home / 103,236.07-154,749.52-69,959.50

Finding the Fourth Proportional to 103,236.07, 154,749.52 and 69,959.50

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Solution

The fourth proportional to 103,236.07, 154,749.52 and 69,959.50 is: 104,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,236.07 : 154,749.52 = 69,959.50 : x
  2. Step 2: Convert to fraction form
    103,236.07/154,749.52 = 69,959.50/x
  3. Step 3: Cross multiply
    103,236.07x = 154,749.52 × 69,959.50
  4. Step 4: Simplify right side
    103,236.07x = 10,826,199,044.44
  5. Step 5: Solve for x
    x = 10,826,199,044.44/103,236.07
  6. Step 6: Final answer
    x = 104,868.38

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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.