Home / 127,578.59-191,333.69-38,808.26

Finding the Fourth Proportional to 127,578.59, 191,333.69 and 38,808.26

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Solution

The fourth proportional to 127,578.59, 191,333.69 and 38,808.26 is: 58,201.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,578.59 : 191,333.69 = 38,808.26 : x
  2. Step 2: Convert to fraction form
    127,578.59/191,333.69 = 38,808.26/x
  3. Step 3: Cross multiply
    127,578.59x = 191,333.69 × 38,808.26
  4. Step 4: Simplify right side
    127,578.59x = 7,425,327,588.28
  5. Step 5: Solve for x
    x = 7,425,327,588.28/127,578.59
  6. Step 6: Final answer
    x = 58,201.99

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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.