Home / 140,511.53-193,907.43-76,847.96

Finding the Fourth Proportional to 140,511.53, 193,907.43 and 76,847.96

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Solution

The fourth proportional to 140,511.53, 193,907.43 and 76,847.96 is: 106,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,511.53 : 193,907.43 = 76,847.96 : x
  2. Step 2: Convert to fraction form
    140,511.53/193,907.43 = 76,847.96/x
  3. Step 3: Cross multiply
    140,511.53x = 193,907.43 × 76,847.96
  4. Step 4: Simplify right side
    140,511.53x = 14,901,389,454.81
  5. Step 5: Solve for x
    x = 14,901,389,454.81/140,511.53
  6. Step 6: Final answer
    x = 106,051.01

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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.