Home / 127,228.92-190,896.21-64,015.29

Finding the Fourth Proportional to 127,228.92, 190,896.21 and 64,015.29

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Solution

The fourth proportional to 127,228.92, 190,896.21 and 64,015.29 is: 96,049.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,228.92 : 190,896.21 = 64,015.29 : x
  2. Step 2: Convert to fraction form
    127,228.92/190,896.21 = 64,015.29/x
  3. Step 3: Cross multiply
    127,228.92x = 190,896.21 × 64,015.29
  4. Step 4: Simplify right side
    127,228.92x = 12,220,276,243.05
  5. Step 5: Solve for x
    x = 12,220,276,243.05/127,228.92
  6. Step 6: Final answer
    x = 96,049.52

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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.