Home / 165,997.36-229,144.98-125,711.20

Finding the Fourth Proportional to 165,997.36, 229,144.98 and 125,711.20

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Solution

The fourth proportional to 165,997.36, 229,144.98 and 125,711.20 is: 173,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,997.36 : 229,144.98 = 125,711.20 : x
  2. Step 2: Convert to fraction form
    165,997.36/229,144.98 = 125,711.20/x
  3. Step 3: Cross multiply
    165,997.36x = 229,144.98 × 125,711.20
  4. Step 4: Simplify right side
    165,997.36x = 28,806,090,409.78
  5. Step 5: Solve for x
    x = 28,806,090,409.78/165,997.36
  6. Step 6: Final answer
    x = 173,533.42

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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.