Home / 100,390.16-150,530.26-46,296.14

Finding the Fourth Proportional to 100,390.16, 150,530.26 and 46,296.14

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Solution

The fourth proportional to 100,390.16, 150,530.26 and 46,296.14 is: 69,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,390.16 : 150,530.26 = 46,296.14 : x
  2. Step 2: Convert to fraction form
    100,390.16/150,530.26 = 46,296.14/x
  3. Step 3: Cross multiply
    100,390.16x = 150,530.26 × 46,296.14
  4. Step 4: Simplify right side
    100,390.16x = 6,968,969,991.20
  5. Step 5: Solve for x
    x = 6,968,969,991.20/100,390.16
  6. Step 6: Final answer
    x = 69,418.86

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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.