Home / 126,165.39-174,107.74-68,804.58

Finding the Fourth Proportional to 126,165.39, 174,107.74 and 68,804.58

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Solution

The fourth proportional to 126,165.39, 174,107.74 and 68,804.58 is: 94,950.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,165.39 : 174,107.74 = 68,804.58 : x
  2. Step 2: Convert to fraction form
    126,165.39/174,107.74 = 68,804.58/x
  3. Step 3: Cross multiply
    126,165.39x = 174,107.74 × 68,804.58
  4. Step 4: Simplify right side
    126,165.39x = 11,979,409,100.53
  5. Step 5: Solve for x
    x = 11,979,409,100.53/126,165.39
  6. Step 6: Final answer
    x = 94,950.04

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1.5x scale

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.