Home / 108,225.23-149,254.11-67,942.73

Finding the Fourth Proportional to 108,225.23, 149,254.11 and 67,942.73

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Solution

The fourth proportional to 108,225.23, 149,254.11 and 67,942.73 is: 93,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,225.23 : 149,254.11 = 67,942.73 : x
  2. Step 2: Convert to fraction form
    108,225.23/149,254.11 = 67,942.73/x
  3. Step 3: Cross multiply
    108,225.23x = 149,254.11 × 67,942.73
  4. Step 4: Simplify right side
    108,225.23x = 10,140,732,070.26
  5. Step 5: Solve for x
    x = 10,140,732,070.26/108,225.23
  6. Step 6: Final answer
    x = 93,700.26

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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.