Home / 130,292.88-179,558.42-104,422.02

Finding the Fourth Proportional to 130,292.88, 179,558.42 and 104,422.02

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Solution

The fourth proportional to 130,292.88, 179,558.42 and 104,422.02 is: 143,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,292.88 : 179,558.42 = 104,422.02 : x
  2. Step 2: Convert to fraction form
    130,292.88/179,558.42 = 104,422.02/x
  3. Step 3: Cross multiply
    130,292.88x = 179,558.42 × 104,422.02
  4. Step 4: Simplify right side
    130,292.88x = 18,749,852,924.41
  5. Step 5: Solve for x
    x = 18,749,852,924.41/130,292.88
  6. Step 6: Final answer
    x = 143,905.43

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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.