Home / 190,617.84-263,100.51-129,467.61

Finding the Fourth Proportional to 190,617.84, 263,100.51 and 129,467.61

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Solution

The fourth proportional to 190,617.84, 263,100.51 and 129,467.61 is: 178,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,617.84 : 263,100.51 = 129,467.61 : x
  2. Step 2: Convert to fraction form
    190,617.84/263,100.51 = 129,467.61/x
  3. Step 3: Cross multiply
    190,617.84x = 263,100.51 × 129,467.61
  4. Step 4: Simplify right side
    190,617.84x = 34,062,994,219.48
  5. Step 5: Solve for x
    x = 34,062,994,219.48/190,617.84
  6. Step 6: Final answer
    x = 178,697.83

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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.