Home / 130,305.00-179,820.97-72,944.44

Finding the Fourth Proportional to 130,305.00, 179,820.97 and 72,944.44

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Solution

The fourth proportional to 130,305.00, 179,820.97 and 72,944.44 is: 100,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,305.00 : 179,820.97 = 72,944.44 : x
  2. Step 2: Convert to fraction form
    130,305.00/179,820.97 = 72,944.44/x
  3. Step 3: Cross multiply
    130,305.00x = 179,820.97 × 72,944.44
  4. Step 4: Simplify right side
    130,305.00x = 13,116,939,324.99
  5. Step 5: Solve for x
    x = 13,116,939,324.99/130,305.00
  6. Step 6: Final answer
    x = 100,663.36

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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.