Home / 130,094.24-179,539.11-72,744.72

Finding the Fourth Proportional to 130,094.24, 179,539.11 and 72,744.72

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Solution

The fourth proportional to 130,094.24, 179,539.11 and 72,744.72 is: 100,392.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,094.24 : 179,539.11 = 72,744.72 : x
  2. Step 2: Convert to fraction form
    130,094.24/179,539.11 = 72,744.72/x
  3. Step 3: Cross multiply
    130,094.24x = 179,539.11 × 72,744.72
  4. Step 4: Simplify right side
    130,094.24x = 13,060,522,286.00
  5. Step 5: Solve for x
    x = 13,060,522,286.00/130,094.24
  6. Step 6: Final answer
    x = 100,392.78

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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.