Home / 126,720.51-174,629.25-96,457.89

Finding the Fourth Proportional to 126,720.51, 174,629.25 and 96,457.89

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Solution

The fourth proportional to 126,720.51, 174,629.25 and 96,457.89 is: 132,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,720.51 : 174,629.25 = 96,457.89 : x
  2. Step 2: Convert to fraction form
    126,720.51/174,629.25 = 96,457.89/x
  3. Step 3: Cross multiply
    126,720.51x = 174,629.25 × 96,457.89
  4. Step 4: Simplify right side
    126,720.51x = 16,844,368,987.28
  5. Step 5: Solve for x
    x = 16,844,368,987.28/126,720.51
  6. Step 6: Final answer
    x = 132,925.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.