Home / 150,998.24-208,407.72-115,124.12

Finding the Fourth Proportional to 150,998.24, 208,407.72 and 115,124.12

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Solution

The fourth proportional to 150,998.24, 208,407.72 and 115,124.12 is: 158,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,998.24 : 208,407.72 = 115,124.12 : x
  2. Step 2: Convert to fraction form
    150,998.24/208,407.72 = 115,124.12/x
  3. Step 3: Cross multiply
    150,998.24x = 208,407.72 × 115,124.12
  4. Step 4: Simplify right side
    150,998.24x = 23,992,755,366.21
  5. Step 5: Solve for x
    x = 23,992,755,366.21/150,998.24
  6. Step 6: Final answer
    x = 158,894.27

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1.5x scale

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.