Home / 199,643.26-275,632.06-127,087.10

Finding the Fourth Proportional to 199,643.26, 275,632.06 and 127,087.10

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Solution

The fourth proportional to 199,643.26, 275,632.06 and 127,087.10 is: 175,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,643.26 : 275,632.06 = 127,087.10 : x
  2. Step 2: Convert to fraction form
    199,643.26/275,632.06 = 127,087.10/x
  3. Step 3: Cross multiply
    199,643.26x = 275,632.06 × 127,087.10
  4. Step 4: Simplify right side
    199,643.26x = 35,029,279,172.43
  5. Step 5: Solve for x
    x = 35,029,279,172.43/199,643.26
  6. Step 6: Final answer
    x = 175,459.36

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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.