Home / 154,828.20-231,896.70-127,180.20

Finding the Fourth Proportional to 154,828.20, 231,896.70 and 127,180.20

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Solution

The fourth proportional to 154,828.20, 231,896.70 and 127,180.20 is: 190,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,828.20 : 231,896.70 = 127,180.20 : x
  2. Step 2: Convert to fraction form
    154,828.20/231,896.70 = 127,180.20/x
  3. Step 3: Cross multiply
    154,828.20x = 231,896.70 × 127,180.20
  4. Step 4: Simplify right side
    154,828.20x = 29,492,668,685.34
  5. Step 5: Solve for x
    x = 29,492,668,685.34/154,828.20
  6. Step 6: Final answer
    x = 190,486.41

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1.5x scale

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.