Home / 118,923.75-164,119.74-65,210.83

Finding the Fourth Proportional to 118,923.75, 164,119.74 and 65,210.83

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Solution

The fourth proportional to 118,923.75, 164,119.74 and 65,210.83 is: 89,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,923.75 : 164,119.74 = 65,210.83 : x
  2. Step 2: Convert to fraction form
    118,923.75/164,119.74 = 65,210.83/x
  3. Step 3: Cross multiply
    118,923.75x = 164,119.74 × 65,210.83
  4. Step 4: Simplify right side
    118,923.75x = 10,702,383,809.94
  5. Step 5: Solve for x
    x = 10,702,383,809.94/118,923.75
  6. Step 6: Final answer
    x = 89,993.66

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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.