Home / 120,614.08-167,209.78-114,215.30

Finding the Fourth Proportional to 120,614.08, 167,209.78 and 114,215.30

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Solution

The fourth proportional to 120,614.08, 167,209.78 and 114,215.30 is: 158,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,614.08 : 167,209.78 = 114,215.30 : x
  2. Step 2: Convert to fraction form
    120,614.08/167,209.78 = 114,215.30/x
  3. Step 3: Cross multiply
    120,614.08x = 167,209.78 × 114,215.30
  4. Step 4: Simplify right side
    120,614.08x = 19,097,914,614.56
  5. Step 5: Solve for x
    x = 19,097,914,614.56/120,614.08
  6. Step 6: Final answer
    x = 158,339.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.