Home / 191,137.11-263,775.98-105,102.64

Finding the Fourth Proportional to 191,137.11, 263,775.98 and 105,102.64

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Solution

The fourth proportional to 191,137.11, 263,775.98 and 105,102.64 is: 145,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,137.11 : 263,775.98 = 105,102.64 : x
  2. Step 2: Convert to fraction form
    191,137.11/263,775.98 = 105,102.64/x
  3. Step 3: Cross multiply
    191,137.11x = 263,775.98 × 105,102.64
  4. Step 4: Simplify right side
    191,137.11x = 27,723,551,866.59
  5. Step 5: Solve for x
    x = 27,723,551,866.59/191,137.11
  6. Step 6: Final answer
    x = 145,045.36

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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.