Home / 108,566.10-162,849.15-73,136.70

Finding the Fourth Proportional to 108,566.10, 162,849.15 and 73,136.70

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Solution

The fourth proportional to 108,566.10, 162,849.15 and 73,136.70 is: 109,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,566.10 : 162,849.15 = 73,136.70 : x
  2. Step 2: Convert to fraction form
    108,566.10/162,849.15 = 73,136.70/x
  3. Step 3: Cross multiply
    108,566.10x = 162,849.15 × 73,136.70
  4. Step 4: Simplify right side
    108,566.10x = 11,910,249,428.81
  5. Step 5: Solve for x
    x = 11,910,249,428.81/108,566.10
  6. Step 6: Final answer
    x = 109,705.05

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Similar ratio
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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.