Home / 140,511.16-193,905.41-76,848.96

Finding the Fourth Proportional to 140,511.16, 193,905.41 and 76,848.96

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Solution

The fourth proportional to 140,511.16, 193,905.41 and 76,848.96 is: 106,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,511.16 : 193,905.41 = 76,848.96 : x
  2. Step 2: Convert to fraction form
    140,511.16/193,905.41 = 76,848.96/x
  3. Step 3: Cross multiply
    140,511.16x = 193,905.41 × 76,848.96
  4. Step 4: Simplify right side
    140,511.16x = 14,901,429,326.69
  5. Step 5: Solve for x
    x = 14,901,429,326.69/140,511.16
  6. Step 6: Final answer
    x = 106,051.57

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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.