Home / 190,730.57-263,181.29-114,231.74

Finding the Fourth Proportional to 190,730.57, 263,181.29 and 114,231.74

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Solution

The fourth proportional to 190,730.57, 263,181.29 and 114,231.74 is: 157,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,730.57 : 263,181.29 = 114,231.74 : x
  2. Step 2: Convert to fraction form
    190,730.57/263,181.29 = 114,231.74/x
  3. Step 3: Cross multiply
    190,730.57x = 263,181.29 × 114,231.74
  4. Step 4: Simplify right side
    190,730.57x = 30,063,654,805.08
  5. Step 5: Solve for x
    x = 30,063,654,805.08/190,730.57
  6. Step 6: Final answer
    x = 157,623.69

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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.