Home / 186,604.72-257,505.20-106,021.60

Finding the Fourth Proportional to 186,604.72, 257,505.20 and 106,021.60

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Solution

The fourth proportional to 186,604.72, 257,505.20 and 106,021.60 is: 146,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,604.72 : 257,505.20 = 106,021.60 : x
  2. Step 2: Convert to fraction form
    186,604.72/257,505.20 = 106,021.60/x
  3. Step 3: Cross multiply
    186,604.72x = 257,505.20 × 106,021.60
  4. Step 4: Simplify right side
    186,604.72x = 27,301,113,312.32
  5. Step 5: Solve for x
    x = 27,301,113,312.32/186,604.72
  6. Step 6: Final answer
    x = 146,304.52

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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.