Home / 156,020.64-234,054-45,198.24

Finding the Fourth Proportional to 156,020.64, 234,054 and 45,198.24

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Solution

The fourth proportional to 156,020.64, 234,054 and 45,198.24 is: 67,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,020.64 : 234,054 = 45,198.24 : x
  2. Step 2: Convert to fraction form
    156,020.64/234,054 = 45,198.24/x
  3. Step 3: Cross multiply
    156,020.64x = 234,054 × 45,198.24
  4. Step 4: Simplify right side
    156,020.64x = 10,578,828,864.96
  5. Step 5: Solve for x
    x = 10,578,828,864.96/156,020.64
  6. Step 6: Final answer
    x = 67,804.03

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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.