Home / 126,935.57-190,216.17-70,698.21

Finding the Fourth Proportional to 126,935.57, 190,216.17 and 70,698.21

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Solution

The fourth proportional to 126,935.57, 190,216.17 and 70,698.21 is: 105,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,935.57 : 190,216.17 = 70,698.21 : x
  2. Step 2: Convert to fraction form
    126,935.57/190,216.17 = 70,698.21/x
  3. Step 3: Cross multiply
    126,935.57x = 190,216.17 × 70,698.21
  4. Step 4: Simplify right side
    126,935.57x = 13,447,942,732.06
  5. Step 5: Solve for x
    x = 13,447,942,732.06/126,935.57
  6. Step 6: Final answer
    x = 105,943.06

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1.5x scale

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.