Home / 134,901.59-186,163.14-74,472.31

Finding the Fourth Proportional to 134,901.59, 186,163.14 and 74,472.31

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Solution

The fourth proportional to 134,901.59, 186,163.14 and 74,472.31 is: 102,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,901.59 : 186,163.14 = 74,472.31 : x
  2. Step 2: Convert to fraction form
    134,901.59/186,163.14 = 74,472.31/x
  3. Step 3: Cross multiply
    134,901.59x = 186,163.14 × 74,472.31
  4. Step 4: Simplify right side
    134,901.59x = 13,863,999,584.63
  5. Step 5: Solve for x
    x = 13,863,999,584.63/134,901.59
  6. Step 6: Final answer
    x = 102,771.21

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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.