Home / 126,684.11-190,055.73-36,728.70

Finding the Fourth Proportional to 126,684.11, 190,055.73 and 36,728.70

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Solution

The fourth proportional to 126,684.11, 190,055.73 and 36,728.70 is: 55,101.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,684.11 : 190,055.73 = 36,728.70 : x
  2. Step 2: Convert to fraction form
    126,684.11/190,055.73 = 36,728.70/x
  3. Step 3: Cross multiply
    126,684.11x = 190,055.73 × 36,728.70
  4. Step 4: Simplify right side
    126,684.11x = 6,980,499,177.74
  5. Step 5: Solve for x
    x = 6,980,499,177.74/126,684.11
  6. Step 6: Final answer
    x = 55,101.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.