Home / 205,824.61-283,994.67-120,910.69

Finding the Fourth Proportional to 205,824.61, 283,994.67 and 120,910.69

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Solution

The fourth proportional to 205,824.61, 283,994.67 and 120,910.69 is: 166,831.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,824.61 : 283,994.67 = 120,910.69 : x
  2. Step 2: Convert to fraction form
    205,824.61/283,994.67 = 120,910.69/x
  3. Step 3: Cross multiply
    205,824.61x = 283,994.67 × 120,910.69
  4. Step 4: Simplify right side
    205,824.61x = 34,337,991,506.02
  5. Step 5: Solve for x
    x = 34,337,991,506.02/205,824.61
  6. Step 6: Final answer
    x = 166,831.32

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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.