Home / 190,354.41-262,689.06-113,876.73

Finding the Fourth Proportional to 190,354.41, 262,689.06 and 113,876.73

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Solution

The fourth proportional to 190,354.41, 262,689.06 and 113,876.73 is: 157,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,354.41 : 262,689.06 = 113,876.73 : x
  2. Step 2: Convert to fraction form
    190,354.41/262,689.06 = 113,876.73/x
  3. Step 3: Cross multiply
    190,354.41x = 262,689.06 × 113,876.73
  4. Step 4: Simplify right side
    190,354.41x = 29,914,171,159.57
  5. Step 5: Solve for x
    x = 29,914,171,159.57/190,354.41
  6. Step 6: Final answer
    x = 157,149.87

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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.