Home / 127,939.44-191,908.88-34,445.28

Finding the Fourth Proportional to 127,939.44, 191,908.88 and 34,445.28

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Solution

The fourth proportional to 127,939.44, 191,908.88 and 34,445.28 is: 51,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,939.44 : 191,908.88 = 34,445.28 : x
  2. Step 2: Convert to fraction form
    127,939.44/191,908.88 = 34,445.28/x
  3. Step 3: Cross multiply
    127,939.44x = 191,908.88 × 34,445.28
  4. Step 4: Simplify right side
    127,939.44x = 6,610,355,106.09
  5. Step 5: Solve for x
    x = 6,610,355,106.09/127,939.44
  6. Step 6: Final answer
    x = 51,667.84

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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.