Home / 130,288.37-196,308.43-117,822.47

Finding the Fourth Proportional to 130,288.37, 196,308.43 and 117,822.47

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Solution

The fourth proportional to 130,288.37, 196,308.43 and 117,822.47 is: 177,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,288.37 : 196,308.43 = 117,822.47 : x
  2. Step 2: Convert to fraction form
    130,288.37/196,308.43 = 117,822.47/x
  3. Step 3: Cross multiply
    130,288.37x = 196,308.43 × 117,822.47
  4. Step 4: Simplify right side
    130,288.37x = 23,129,542,828.32
  5. Step 5: Solve for x
    x = 23,129,542,828.32/130,288.37
  6. Step 6: Final answer
    x = 177,525.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.