Home / 127,216.36-190,605.84-99,125.56

Finding the Fourth Proportional to 127,216.36, 190,605.84 and 99,125.56

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Solution

The fourth proportional to 127,216.36, 190,605.84 and 99,125.56 is: 148,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,216.36 : 190,605.84 = 99,125.56 : x
  2. Step 2: Convert to fraction form
    127,216.36/190,605.84 = 99,125.56/x
  3. Step 3: Cross multiply
    127,216.36x = 190,605.84 × 99,125.56
  4. Step 4: Simplify right side
    127,216.36x = 18,893,910,629.27
  5. Step 5: Solve for x
    x = 18,893,910,629.27/127,216.36
  6. Step 6: Final answer
    x = 148,517.93

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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.