Home / 127,497.40-190,808.70-116,999.80

Finding the Fourth Proportional to 127,497.40, 190,808.70 and 116,999.80

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Solution

The fourth proportional to 127,497.40, 190,808.70 and 116,999.80 is: 175,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,497.40 : 190,808.70 = 116,999.80 : x
  2. Step 2: Convert to fraction form
    127,497.40/190,808.70 = 116,999.80/x
  3. Step 3: Cross multiply
    127,497.40x = 190,808.70 × 116,999.80
  4. Step 4: Simplify right side
    127,497.40x = 22,324,579,738.26
  5. Step 5: Solve for x
    x = 22,324,579,738.26/127,497.40
  6. Step 6: Final answer
    x = 175,098.31

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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.