Home / 112,218.45-154,753.44-75,507.37

Finding the Fourth Proportional to 112,218.45, 154,753.44 and 75,507.37

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Solution

The fourth proportional to 112,218.45, 154,753.44 and 75,507.37 is: 104,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,218.45 : 154,753.44 = 75,507.37 : x
  2. Step 2: Convert to fraction form
    112,218.45/154,753.44 = 75,507.37/x
  3. Step 3: Cross multiply
    112,218.45x = 154,753.44 × 75,507.37
  4. Step 4: Simplify right side
    112,218.45x = 11,685,025,453.30
  5. Step 5: Solve for x
    x = 11,685,025,453.30/112,218.45
  6. Step 6: Final answer
    x = 104,127.49

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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.