Home / 127,008.03-175,290.24-81,087.29

Finding the Fourth Proportional to 127,008.03, 175,290.24 and 81,087.29

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Solution

The fourth proportional to 127,008.03, 175,290.24 and 81,087.29 is: 111,912.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,008.03 : 175,290.24 = 81,087.29 : x
  2. Step 2: Convert to fraction form
    127,008.03/175,290.24 = 81,087.29/x
  3. Step 3: Cross multiply
    127,008.03x = 175,290.24 × 81,087.29
  4. Step 4: Simplify right side
    127,008.03x = 14,213,809,243.16
  5. Step 5: Solve for x
    x = 14,213,809,243.16/127,008.03
  6. Step 6: Final answer
    x = 111,912.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.