Home / 108,511.70-162,767.55-73,082.30

Finding the Fourth Proportional to 108,511.70, 162,767.55 and 73,082.30

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Solution

The fourth proportional to 108,511.70, 162,767.55 and 73,082.30 is: 109,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,511.70 : 162,767.55 = 73,082.30 : x
  2. Step 2: Convert to fraction form
    108,511.70/162,767.55 = 73,082.30/x
  3. Step 3: Cross multiply
    108,511.70x = 162,767.55 × 73,082.30
  4. Step 4: Simplify right side
    108,511.70x = 11,895,426,919.37
  5. Step 5: Solve for x
    x = 11,895,426,919.37/108,511.70
  6. Step 6: Final answer
    x = 109,623.45

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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.