Home / 103,390.07-154,986.62-33,220.13

Finding the Fourth Proportional to 103,390.07, 154,986.62 and 33,220.13

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Solution

The fourth proportional to 103,390.07, 154,986.62 and 33,220.13 is: 49,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,390.07 : 154,986.62 = 33,220.13 : x
  2. Step 2: Convert to fraction form
    103,390.07/154,986.62 = 33,220.13/x
  3. Step 3: Cross multiply
    103,390.07x = 154,986.62 × 33,220.13
  4. Step 4: Simplify right side
    103,390.07x = 5,148,675,498.56
  5. Step 5: Solve for x
    x = 5,148,675,498.56/103,390.07
  6. Step 6: Final answer
    x = 49,798.55

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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.