Home / 186,749.88-257,704.47-106,166.22

Finding the Fourth Proportional to 186,749.88, 257,704.47 and 106,166.22

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Solution

The fourth proportional to 186,749.88, 257,704.47 and 106,166.22 is: 146,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,749.88 : 257,704.47 = 106,166.22 : x
  2. Step 2: Convert to fraction form
    186,749.88/257,704.47 = 106,166.22/x
  3. Step 3: Cross multiply
    186,749.88x = 257,704.47 × 106,166.22
  4. Step 4: Simplify right side
    186,749.88x = 27,359,509,457.00
  5. Step 5: Solve for x
    x = 27,359,509,457.00/186,749.88
  6. Step 6: Final answer
    x = 146,503.49

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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.