Home / 126,991.13-190,462.29-63,794.32

Finding the Fourth Proportional to 126,991.13, 190,462.29 and 63,794.32

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Solution

The fourth proportional to 126,991.13, 190,462.29 and 63,794.32 is: 95,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,991.13 : 190,462.29 = 63,794.32 : x
  2. Step 2: Convert to fraction form
    126,991.13/190,462.29 = 63,794.32/x
  3. Step 3: Cross multiply
    126,991.13x = 190,462.29 × 63,794.32
  4. Step 4: Simplify right side
    126,991.13x = 12,150,411,560.81
  5. Step 5: Solve for x
    x = 12,150,411,560.81/126,991.13
  6. Step 6: Final answer
    x = 95,679.22

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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.