Home / 126,847.16-190,209.38-46,830.90

Finding the Fourth Proportional to 126,847.16, 190,209.38 and 46,830.90

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Solution

The fourth proportional to 126,847.16, 190,209.38 and 46,830.90 is: 70,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,847.16 : 190,209.38 = 46,830.90 : x
  2. Step 2: Convert to fraction form
    126,847.16/190,209.38 = 46,830.90/x
  3. Step 3: Cross multiply
    126,847.16x = 190,209.38 × 46,830.90
  4. Step 4: Simplify right side
    126,847.16x = 8,907,676,453.84
  5. Step 5: Solve for x
    x = 8,907,676,453.84/126,847.16
  6. Step 6: Final answer
    x = 70,223.70

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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.