Home / 108,225.08-162,373.60-68,197.81

Finding the Fourth Proportional to 108,225.08, 162,373.60 and 68,197.81

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Solution

The fourth proportional to 108,225.08, 162,373.60 and 68,197.81 is: 102,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,225.08 : 162,373.60 = 68,197.81 : x
  2. Step 2: Convert to fraction form
    108,225.08/162,373.60 = 68,197.81/x
  3. Step 3: Cross multiply
    108,225.08x = 162,373.60 × 68,197.81
  4. Step 4: Simplify right side
    108,225.08x = 11,073,523,109.95
  5. Step 5: Solve for x
    x = 11,073,523,109.95/108,225.08
  6. Step 6: Final answer
    x = 102,319.38

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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.