Home / 127,824.20-191,736.30-48,897.80

Finding the Fourth Proportional to 127,824.20, 191,736.30 and 48,897.80

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Solution

The fourth proportional to 127,824.20, 191,736.30 and 48,897.80 is: 73,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,824.20 : 191,736.30 = 48,897.80 : x
  2. Step 2: Convert to fraction form
    127,824.20/191,736.30 = 48,897.80/x
  3. Step 3: Cross multiply
    127,824.20x = 191,736.30 × 48,897.80
  4. Step 4: Simplify right side
    127,824.20x = 9,375,483,250.14
  5. Step 5: Solve for x
    x = 9,375,483,250.14/127,824.20
  6. Step 6: Final answer
    x = 73,346.70

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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.