Home / 127,313.94-190,991.57-43,079.28

Finding the Fourth Proportional to 127,313.94, 190,991.57 and 43,079.28

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Solution

The fourth proportional to 127,313.94, 190,991.57 and 43,079.28 is: 64,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,313.94 : 190,991.57 = 43,079.28 : x
  2. Step 2: Convert to fraction form
    127,313.94/190,991.57 = 43,079.28/x
  3. Step 3: Cross multiply
    127,313.94x = 190,991.57 × 43,079.28
  4. Step 4: Simplify right side
    127,313.94x = 8,227,779,106.27
  5. Step 5: Solve for x
    x = 8,227,779,106.27/127,313.94
  6. Step 6: Final answer
    x = 64,625.91

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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.