Home / 117,166.88-175,777.05-38,279.36

Finding the Fourth Proportional to 117,166.88, 175,777.05 and 38,279.36

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Solution

The fourth proportional to 117,166.88, 175,777.05 and 38,279.36 is: 57,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,166.88 : 175,777.05 = 38,279.36 : x
  2. Step 2: Convert to fraction form
    117,166.88/175,777.05 = 38,279.36/x
  3. Step 3: Cross multiply
    117,166.88x = 175,777.05 × 38,279.36
  4. Step 4: Simplify right side
    117,166.88x = 6,728,632,976.69
  5. Step 5: Solve for x
    x = 6,728,632,976.69/117,166.88
  6. Step 6: Final answer
    x = 57,427.77

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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.