Home / 113,694.30-170,659.74-83,742.36

Finding the Fourth Proportional to 113,694.30, 170,659.74 and 83,742.36

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Solution

The fourth proportional to 113,694.30, 170,659.74 and 83,742.36 is: 125,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,694.30 : 170,659.74 = 83,742.36 : x
  2. Step 2: Convert to fraction form
    113,694.30/170,659.74 = 83,742.36/x
  3. Step 3: Cross multiply
    113,694.30x = 170,659.74 × 83,742.36
  4. Step 4: Simplify right side
    113,694.30x = 14,291,449,384.59
  5. Step 5: Solve for x
    x = 14,291,449,384.59/113,694.30
  6. Step 6: Final answer
    x = 125,700.67

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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.