Home / 127,231.40-190,847.10-73,868.60

Finding the Fourth Proportional to 127,231.40, 190,847.10 and 73,868.60

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Solution

The fourth proportional to 127,231.40, 190,847.10 and 73,868.60 is: 110,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,231.40 : 190,847.10 = 73,868.60 : x
  2. Step 2: Convert to fraction form
    127,231.40/190,847.10 = 73,868.60/x
  3. Step 3: Cross multiply
    127,231.40x = 190,847.10 × 73,868.60
  4. Step 4: Simplify right side
    127,231.40x = 14,097,608,091.06
  5. Step 5: Solve for x
    x = 14,097,608,091.06/127,231.40
  6. Step 6: Final answer
    x = 110,802.90

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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.