Home / 220,161.84-303,817.20-124,677.60

Finding the Fourth Proportional to 220,161.84, 303,817.20 and 124,677.60

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Solution

The fourth proportional to 220,161.84, 303,817.20 and 124,677.60 is: 172,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,161.84 : 303,817.20 = 124,677.60 : x
  2. Step 2: Convert to fraction form
    220,161.84/303,817.20 = 124,677.60/x
  3. Step 3: Cross multiply
    220,161.84x = 303,817.20 × 124,677.60
  4. Step 4: Simplify right side
    220,161.84x = 37,879,199,334.72
  5. Step 5: Solve for x
    x = 37,879,199,334.72/220,161.84
  6. Step 6: Final answer
    x = 172,051.61

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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.