Home / 130,710.11-196,072.38-37,208.57

Finding the Fourth Proportional to 130,710.11, 196,072.38 and 37,208.57

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Solution

The fourth proportional to 130,710.11, 196,072.38 and 37,208.57 is: 55,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,710.11 : 196,072.38 = 37,208.57 : x
  2. Step 2: Convert to fraction form
    130,710.11/196,072.38 = 37,208.57/x
  3. Step 3: Cross multiply
    130,710.11x = 196,072.38 × 37,208.57
  4. Step 4: Simplify right side
    130,710.11x = 7,295,571,895.93
  5. Step 5: Solve for x
    x = 7,295,571,895.93/130,710.11
  6. Step 6: Final answer
    x = 55,814.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.