Home / 127,388.96-191,083.90-38,643.24

Finding the Fourth Proportional to 127,388.96, 191,083.90 and 38,643.24

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Solution

The fourth proportional to 127,388.96, 191,083.90 and 38,643.24 is: 57,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,388.96 : 191,083.90 = 38,643.24 : x
  2. Step 2: Convert to fraction form
    127,388.96/191,083.90 = 38,643.24/x
  3. Step 3: Cross multiply
    127,388.96x = 191,083.90 × 38,643.24
  4. Step 4: Simplify right side
    127,388.96x = 7,384,101,007.84
  5. Step 5: Solve for x
    x = 7,384,101,007.84/127,388.96
  6. Step 6: Final answer
    x = 57,965.00

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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.