Home / 127,252.90-190,879.35-103,633.30

Finding the Fourth Proportional to 127,252.90, 190,879.35 and 103,633.30

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Solution

The fourth proportional to 127,252.90, 190,879.35 and 103,633.30 is: 155,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,252.90 : 190,879.35 = 103,633.30 : x
  2. Step 2: Convert to fraction form
    127,252.90/190,879.35 = 103,633.30/x
  3. Step 3: Cross multiply
    127,252.90x = 190,879.35 × 103,633.30
  4. Step 4: Simplify right side
    127,252.90x = 19,781,456,942.36
  5. Step 5: Solve for x
    x = 19,781,456,942.36/127,252.90
  6. Step 6: Final answer
    x = 155,449.95

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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.