Home / 100,178.15-150,232.62-29,081.51

Finding the Fourth Proportional to 100,178.15, 150,232.62 and 29,081.51

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Solution

The fourth proportional to 100,178.15, 150,232.62 and 29,081.51 is: 43,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,178.15 : 150,232.62 = 29,081.51 : x
  2. Step 2: Convert to fraction form
    100,178.15/150,232.62 = 29,081.51/x
  3. Step 3: Cross multiply
    100,178.15x = 150,232.62 × 29,081.51
  4. Step 4: Simplify right side
    100,178.15x = 4,368,990,689.69
  5. Step 5: Solve for x
    x = 4,368,990,689.69/100,178.15
  6. Step 6: Final answer
    x = 43,612.21

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1.5x scale

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.