Home / 190,380.46-262,726.60-105,498.94

Finding the Fourth Proportional to 190,380.46, 262,726.60 and 105,498.94

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Solution

The fourth proportional to 190,380.46, 262,726.60 and 105,498.94 is: 145,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,380.46 : 262,726.60 = 105,498.94 : x
  2. Step 2: Convert to fraction form
    190,380.46/262,726.60 = 105,498.94/x
  3. Step 3: Cross multiply
    190,380.46x = 262,726.60 × 105,498.94
  4. Step 4: Simplify right side
    190,380.46x = 27,717,377,809.80
  5. Step 5: Solve for x
    x = 27,717,377,809.80/190,380.46
  6. Step 6: Final answer
    x = 145,589.40

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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.