Home / 126,853.69-190,302.15-43,728.25

Finding the Fourth Proportional to 126,853.69, 190,302.15 and 43,728.25

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Solution

The fourth proportional to 126,853.69, 190,302.15 and 43,728.25 is: 65,599.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,853.69 : 190,302.15 = 43,728.25 : x
  2. Step 2: Convert to fraction form
    126,853.69/190,302.15 = 43,728.25/x
  3. Step 3: Cross multiply
    126,853.69x = 190,302.15 × 43,728.25
  4. Step 4: Simplify right side
    126,853.69x = 8,321,579,990.74
  5. Step 5: Solve for x
    x = 8,321,579,990.74/126,853.69
  6. Step 6: Final answer
    x = 65,599.83

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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.