Home / 120,584.20-180,876.30-97,256.20

Finding the Fourth Proportional to 120,584.20, 180,876.30 and 97,256.20

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Solution

The fourth proportional to 120,584.20, 180,876.30 and 97,256.20 is: 145,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,584.20 : 180,876.30 = 97,256.20 : x
  2. Step 2: Convert to fraction form
    120,584.20/180,876.30 = 97,256.20/x
  3. Step 3: Cross multiply
    120,584.20x = 180,876.30 × 97,256.20
  4. Step 4: Simplify right side
    120,584.20x = 17,591,341,608.06
  5. Step 5: Solve for x
    x = 17,591,341,608.06/120,584.20
  6. Step 6: Final answer
    x = 145,884.30

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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.