Home / 103,270.61-154,708.45-69,826.52

Finding the Fourth Proportional to 103,270.61, 154,708.45 and 69,826.52

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Solution

The fourth proportional to 103,270.61, 154,708.45 and 69,826.52 is: 104,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,270.61 : 154,708.45 = 69,826.52 : x
  2. Step 2: Convert to fraction form
    103,270.61/154,708.45 = 69,826.52/x
  3. Step 3: Cross multiply
    103,270.61x = 154,708.45 × 69,826.52
  4. Step 4: Simplify right side
    103,270.61x = 10,802,752,890.30
  5. Step 5: Solve for x
    x = 10,802,752,890.30/103,270.61
  6. Step 6: Final answer
    x = 104,606.26

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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.