Home / 108,719.30-162,884.55-92,000.90

Finding the Fourth Proportional to 108,719.30, 162,884.55 and 92,000.90

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Solution

The fourth proportional to 108,719.30, 162,884.55 and 92,000.90 is: 137,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,719.30 : 162,884.55 = 92,000.90 : x
  2. Step 2: Convert to fraction form
    108,719.30/162,884.55 = 92,000.90/x
  3. Step 3: Cross multiply
    108,719.30x = 162,884.55 × 92,000.90
  4. Step 4: Simplify right side
    108,719.30x = 14,985,525,196.10
  5. Step 5: Solve for x
    x = 14,985,525,196.10/108,719.30
  6. Step 6: Final answer
    x = 137,836.84

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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.