Home / 127,558.51-191,380.79-56,471.33

Finding the Fourth Proportional to 127,558.51, 191,380.79 and 56,471.33

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Solution

The fourth proportional to 127,558.51, 191,380.79 and 56,471.33 is: 84,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,558.51 : 191,380.79 = 56,471.33 : x
  2. Step 2: Convert to fraction form
    127,558.51/191,380.79 = 56,471.33/x
  3. Step 3: Cross multiply
    127,558.51x = 191,380.79 × 56,471.33
  4. Step 4: Simplify right side
    127,558.51x = 10,807,528,367.38
  5. Step 5: Solve for x
    x = 10,807,528,367.38/127,558.51
  6. Step 6: Final answer
    x = 84,726.05

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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.