Home / 118,993.04-164,321.52-76,626.08

Finding the Fourth Proportional to 118,993.04, 164,321.52 and 76,626.08

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Solution

The fourth proportional to 118,993.04, 164,321.52 and 76,626.08 is: 105,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,993.04 : 164,321.52 = 76,626.08 : x
  2. Step 2: Convert to fraction form
    118,993.04/164,321.52 = 76,626.08/x
  3. Step 3: Cross multiply
    118,993.04x = 164,321.52 × 76,626.08
  4. Step 4: Simplify right side
    118,993.04x = 12,591,313,937.24
  5. Step 5: Solve for x
    x = 12,591,313,937.24/118,993.04
  6. Step 6: Final answer
    x = 105,815.55

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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.