Home / 186,122.32-279,077.40-127,029.52

Finding the Fourth Proportional to 186,122.32, 279,077.40 and 127,029.52

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Solution

The fourth proportional to 186,122.32, 279,077.40 and 127,029.52 is: 190,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,122.32 : 279,077.40 = 127,029.52 : x
  2. Step 2: Convert to fraction form
    186,122.32/279,077.40 = 127,029.52/x
  3. Step 3: Cross multiply
    186,122.32x = 279,077.40 × 127,029.52
  4. Step 4: Simplify right side
    186,122.32x = 35,451,068,164.85
  5. Step 5: Solve for x
    x = 35,451,068,164.85/186,122.32
  6. Step 6: Final answer
    x = 190,471.88

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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.