Home / 127,190.24-190,792.37-38,441.51

Finding the Fourth Proportional to 127,190.24, 190,792.37 and 38,441.51

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Solution

The fourth proportional to 127,190.24, 190,792.37 and 38,441.51 is: 57,664.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,190.24 : 190,792.37 = 38,441.51 : x
  2. Step 2: Convert to fraction form
    127,190.24/190,792.37 = 38,441.51/x
  3. Step 3: Cross multiply
    127,190.24x = 190,792.37 × 38,441.51
  4. Step 4: Simplify right side
    127,190.24x = 7,334,345,941.42
  5. Step 5: Solve for x
    x = 7,334,345,941.42/127,190.24
  6. Step 6: Final answer
    x = 57,664.38

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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.