Home / 168,185.86-232,152.73-100,224.16

Finding the Fourth Proportional to 168,185.86, 232,152.73 and 100,224.16

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Solution

The fourth proportional to 168,185.86, 232,152.73 and 100,224.16 is: 138,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,185.86 : 232,152.73 = 100,224.16 : x
  2. Step 2: Convert to fraction form
    168,185.86/232,152.73 = 100,224.16/x
  3. Step 3: Cross multiply
    168,185.86x = 232,152.73 × 100,224.16
  4. Step 4: Simplify right side
    168,185.86x = 23,267,311,525.01
  5. Step 5: Solve for x
    x = 23,267,311,525.01/168,185.86
  6. Step 6: Final answer
    x = 138,342.85

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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.