Home / 149,735.20-206,652.24-86,075.68

Finding the Fourth Proportional to 149,735.20, 206,652.24 and 86,075.68

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Solution

The fourth proportional to 149,735.20, 206,652.24 and 86,075.68 is: 118,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,735.20 : 206,652.24 = 86,075.68 : x
  2. Step 2: Convert to fraction form
    149,735.20/206,652.24 = 86,075.68/x
  3. Step 3: Cross multiply
    149,735.20x = 206,652.24 × 86,075.68
  4. Step 4: Simplify right side
    149,735.20x = 17,787,732,081.52
  5. Step 5: Solve for x
    x = 17,787,732,081.52/149,735.20
  6. Step 6: Final answer
    x = 118,794.59

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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.