Home / 156,976.98-235,473.64-51,804.15

Finding the Fourth Proportional to 156,976.98, 235,473.64 and 51,804.15

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Solution

The fourth proportional to 156,976.98, 235,473.64 and 51,804.15 is: 77,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,976.98 : 235,473.64 = 51,804.15 : x
  2. Step 2: Convert to fraction form
    156,976.98/235,473.64 = 51,804.15/x
  3. Step 3: Cross multiply
    156,976.98x = 235,473.64 × 51,804.15
  4. Step 4: Simplify right side
    156,976.98x = 12,198,511,638.10
  5. Step 5: Solve for x
    x = 12,198,511,638.10/156,976.98
  6. Step 6: Final answer
    x = 77,708.92

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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.