Home / 127,379.79-191,057.94-43,130.27

Finding the Fourth Proportional to 127,379.79, 191,057.94 and 43,130.27

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Solution

The fourth proportional to 127,379.79, 191,057.94 and 43,130.27 is: 64,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,379.79 : 191,057.94 = 43,130.27 : x
  2. Step 2: Convert to fraction form
    127,379.79/191,057.94 = 43,130.27/x
  3. Step 3: Cross multiply
    127,379.79x = 191,057.94 × 43,130.27
  4. Step 4: Simplify right side
    127,379.79x = 8,240,381,015.49
  5. Step 5: Solve for x
    x = 8,240,381,015.49/127,379.79
  6. Step 6: Final answer
    x = 64,691.43

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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.