Home / 130,156.64-179,625.30-73,568.42

Finding the Fourth Proportional to 130,156.64, 179,625.30 and 73,568.42

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Solution

The fourth proportional to 130,156.64, 179,625.30 and 73,568.42 is: 101,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,156.64 : 179,625.30 = 73,568.42 : x
  2. Step 2: Convert to fraction form
    130,156.64/179,625.30 = 73,568.42/x
  3. Step 3: Cross multiply
    130,156.64x = 179,625.30 × 73,568.42
  4. Step 4: Simplify right side
    130,156.64x = 13,214,749,513.03
  5. Step 5: Solve for x
    x = 13,214,749,513.03/130,156.64
  6. Step 6: Final answer
    x = 101,529.58

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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.