Home / 108,082.12-149,080.50-93,910.60

Finding the Fourth Proportional to 108,082.12, 149,080.50 and 93,910.60

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Solution

The fourth proportional to 108,082.12, 149,080.50 and 93,910.60 is: 129,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,082.12 : 149,080.50 = 93,910.60 : x
  2. Step 2: Convert to fraction form
    108,082.12/149,080.50 = 93,910.60/x
  3. Step 3: Cross multiply
    108,082.12x = 149,080.50 × 93,910.60
  4. Step 4: Simplify right side
    108,082.12x = 14,000,239,203.30
  5. Step 5: Solve for x
    x = 14,000,239,203.30/108,082.12
  6. Step 6: Final answer
    x = 129,533.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.