Home / 134,516.70-185,604.62-77,151.69

Finding the Fourth Proportional to 134,516.70, 185,604.62 and 77,151.69

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Solution

The fourth proportional to 134,516.70, 185,604.62 and 77,151.69 is: 106,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,516.70 : 185,604.62 = 77,151.69 : x
  2. Step 2: Convert to fraction form
    134,516.70/185,604.62 = 77,151.69/x
  3. Step 3: Cross multiply
    134,516.70x = 185,604.62 × 77,151.69
  4. Step 4: Simplify right side
    134,516.70x = 14,319,709,719.05
  5. Step 5: Solve for x
    x = 14,319,709,719.05/134,516.70
  6. Step 6: Final answer
    x = 106,453.03

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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.