Home / 127,311.36-190,996.16-68,204.32

Finding the Fourth Proportional to 127,311.36, 190,996.16 and 68,204.32

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Solution

The fourth proportional to 127,311.36, 190,996.16 and 68,204.32 is: 102,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,311.36 : 190,996.16 = 68,204.32 : x
  2. Step 2: Convert to fraction form
    127,311.36/190,996.16 = 68,204.32/x
  3. Step 3: Cross multiply
    127,311.36x = 190,996.16 × 68,204.32
  4. Step 4: Simplify right side
    127,311.36x = 13,026,763,215.41
  5. Step 5: Solve for x
    x = 13,026,763,215.41/127,311.36
  6. Step 6: Final answer
    x = 102,322.08

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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.