Home / 186,584.09-257,486.11-106,011.72

Finding the Fourth Proportional to 186,584.09, 257,486.11 and 106,011.72

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Solution

The fourth proportional to 186,584.09, 257,486.11 and 106,011.72 is: 146,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,584.09 : 257,486.11 = 106,011.72 : x
  2. Step 2: Convert to fraction form
    186,584.09/257,486.11 = 106,011.72/x
  3. Step 3: Cross multiply
    186,584.09x = 257,486.11 × 106,011.72
  4. Step 4: Simplify right side
    186,584.09x = 27,296,544,753.49
  5. Step 5: Solve for x
    x = 27,296,544,753.49/186,584.09
  6. Step 6: Final answer
    x = 146,296.21

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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.