Home / 141,178.32-194,829.22-77,516.37

Finding the Fourth Proportional to 141,178.32, 194,829.22 and 77,516.37

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Solution

The fourth proportional to 141,178.32, 194,829.22 and 77,516.37 is: 106,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,178.32 : 194,829.22 = 77,516.37 : x
  2. Step 2: Convert to fraction form
    141,178.32/194,829.22 = 77,516.37/x
  3. Step 3: Cross multiply
    141,178.32x = 194,829.22 × 77,516.37
  4. Step 4: Simplify right side
    141,178.32x = 15,102,452,930.19
  5. Step 5: Solve for x
    x = 15,102,452,930.19/141,178.32
  6. Step 6: Final answer
    x = 106,974.31

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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.