Home / 127,453.10-191,183.29-43,213.50

Finding the Fourth Proportional to 127,453.10, 191,183.29 and 43,213.50

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Solution

The fourth proportional to 127,453.10, 191,183.29 and 43,213.50 is: 64,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,453.10 : 191,183.29 = 43,213.50 : x
  2. Step 2: Convert to fraction form
    127,453.10/191,183.29 = 43,213.50/x
  3. Step 3: Cross multiply
    127,453.10x = 191,183.29 × 43,213.50
  4. Step 4: Simplify right side
    127,453.10x = 8,261,698,994.38
  5. Step 5: Solve for x
    x = 8,261,698,994.38/127,453.10
  6. Step 6: Final answer
    x = 64,821.49

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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.