Home / 186,909.31-257,896.12-110,389.60

Finding the Fourth Proportional to 186,909.31, 257,896.12 and 110,389.60

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Solution

The fourth proportional to 186,909.31, 257,896.12 and 110,389.60 is: 152,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,909.31 : 257,896.12 = 110,389.60 : x
  2. Step 2: Convert to fraction form
    186,909.31/257,896.12 = 110,389.60/x
  3. Step 3: Cross multiply
    186,909.31x = 257,896.12 × 110,389.60
  4. Step 4: Simplify right side
    186,909.31x = 28,469,049,528.35
  5. Step 5: Solve for x
    x = 28,469,049,528.35/186,909.31
  6. Step 6: Final answer
    x = 152,314.78

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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.