Home / 135,362.40-186,797.38-74,933

Finding the Fourth Proportional to 135,362.40, 186,797.38 and 74,933

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Solution

The fourth proportional to 135,362.40, 186,797.38 and 74,933 is: 103,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,362.40 : 186,797.38 = 74,933 : x
  2. Step 2: Convert to fraction form
    135,362.40/186,797.38 = 74,933/x
  3. Step 3: Cross multiply
    135,362.40x = 186,797.38 × 74,933
  4. Step 4: Simplify right side
    135,362.40x = 13,997,288,075.54
  5. Step 5: Solve for x
    x = 13,997,288,075.54/135,362.40
  6. Step 6: Final answer
    x = 103,406.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.