Home / 130,723.58-180,402.18-73,366.46

Finding the Fourth Proportional to 130,723.58, 180,402.18 and 73,366.46

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Solution

The fourth proportional to 130,723.58, 180,402.18 and 73,366.46 is: 101,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,723.58 : 180,402.18 = 73,366.46 : x
  2. Step 2: Convert to fraction form
    130,723.58/180,402.18 = 73,366.46/x
  3. Step 3: Cross multiply
    130,723.58x = 180,402.18 × 73,366.46
  4. Step 4: Simplify right side
    130,723.58x = 13,235,469,322.88
  5. Step 5: Solve for x
    x = 13,235,469,322.88/130,723.58
  6. Step 6: Final answer
    x = 101,247.76

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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.