Home / 186,747.30-279,683.55-127,260.90

Finding the Fourth Proportional to 186,747.30, 279,683.55 and 127,260.90

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Solution

The fourth proportional to 186,747.30, 279,683.55 and 127,260.90 is: 190,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,747.30 : 279,683.55 = 127,260.90 : x
  2. Step 2: Convert to fraction form
    186,747.30/279,683.55 = 127,260.90/x
  3. Step 3: Cross multiply
    186,747.30x = 279,683.55 × 127,260.90
  4. Step 4: Simplify right side
    186,747.30x = 35,592,780,288.20
  5. Step 5: Solve for x
    x = 35,592,780,288.20/186,747.30
  6. Step 6: Final answer
    x = 190,593.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.