Home / 126,757.14-190,322.61-70,706.76

Finding the Fourth Proportional to 126,757.14, 190,322.61 and 70,706.76

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Solution

The fourth proportional to 126,757.14, 190,322.61 and 70,706.76 is: 106,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,757.14 : 190,322.61 = 70,706.76 : x
  2. Step 2: Convert to fraction form
    126,757.14/190,322.61 = 70,706.76/x
  3. Step 3: Cross multiply
    126,757.14x = 190,322.61 × 70,706.76
  4. Step 4: Simplify right side
    126,757.14x = 13,457,095,107.84
  5. Step 5: Solve for x
    x = 13,457,095,107.84/126,757.14
  6. Step 6: Final answer
    x = 106,164.40

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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.