Home / 126,860.77-190,313.04-42,629.02

Finding the Fourth Proportional to 126,860.77, 190,313.04 and 42,629.02

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Solution

The fourth proportional to 126,860.77, 190,313.04 and 42,629.02 is: 63,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,860.77 : 190,313.04 = 42,629.02 : x
  2. Step 2: Convert to fraction form
    126,860.77/190,313.04 = 42,629.02/x
  3. Step 3: Cross multiply
    126,860.77x = 190,313.04 × 42,629.02
  4. Step 4: Simplify right side
    126,860.77x = 8,112,857,223.71
  5. Step 5: Solve for x
    x = 8,112,857,223.71/126,860.77
  6. Step 6: Final answer
    x = 63,950.88

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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.