Home / 156,308.64-234,082.80-73,226.40

Finding the Fourth Proportional to 156,308.64, 234,082.80 and 73,226.40

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Solution

The fourth proportional to 156,308.64, 234,082.80 and 73,226.40 is: 109,661.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,308.64 : 234,082.80 = 73,226.40 : x
  2. Step 2: Convert to fraction form
    156,308.64/234,082.80 = 73,226.40/x
  3. Step 3: Cross multiply
    156,308.64x = 234,082.80 × 73,226.40
  4. Step 4: Simplify right side
    156,308.64x = 17,141,040,745.92
  5. Step 5: Solve for x
    x = 17,141,040,745.92/156,308.64
  6. Step 6: Final answer
    x = 109,661.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.