Home / 191,433.56-263,895.08-122,515.38

Finding the Fourth Proportional to 191,433.56, 263,895.08 and 122,515.38

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Solution

The fourth proportional to 191,433.56, 263,895.08 and 122,515.38 is: 168,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,433.56 : 263,895.08 = 122,515.38 : x
  2. Step 2: Convert to fraction form
    191,433.56/263,895.08 = 122,515.38/x
  3. Step 3: Cross multiply
    191,433.56x = 263,895.08 × 122,515.38
  4. Step 4: Simplify right side
    191,433.56x = 32,331,205,393.75
  5. Step 5: Solve for x
    x = 32,331,205,393.75/191,433.56
  6. Step 6: Final answer
    x = 168,889.96

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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.