Home / 150,918.53-208,180.84-94,231.49

Finding the Fourth Proportional to 150,918.53, 208,180.84 and 94,231.49

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Solution

The fourth proportional to 150,918.53, 208,180.84 and 94,231.49 is: 129,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,918.53 : 208,180.84 = 94,231.49 : x
  2. Step 2: Convert to fraction form
    150,918.53/208,180.84 = 94,231.49/x
  3. Step 3: Cross multiply
    150,918.53x = 208,180.84 × 94,231.49
  4. Step 4: Simplify right side
    150,918.53x = 19,617,190,742.65
  5. Step 5: Solve for x
    x = 19,617,190,742.65/150,918.53
  6. Step 6: Final answer
    x = 129,985.30

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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.