Home / 136,270.47-204,415.89-36,428.37

Finding the Fourth Proportional to 136,270.47, 204,415.89 and 36,428.37

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Solution

The fourth proportional to 136,270.47, 204,415.89 and 36,428.37 is: 54,645.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,270.47 : 204,415.89 = 36,428.37 : x
  2. Step 2: Convert to fraction form
    136,270.47/204,415.89 = 36,428.37/x
  3. Step 3: Cross multiply
    136,270.47x = 204,415.89 × 36,428.37
  4. Step 4: Simplify right side
    136,270.47x = 7,446,537,674.80
  5. Step 5: Solve for x
    x = 7,446,537,674.80/136,270.47
  6. Step 6: Final answer
    x = 54,645.28

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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.