Home / 108,123.11-149,280.10-96,772.92

Finding the Fourth Proportional to 108,123.11, 149,280.10 and 96,772.92

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Solution

The fourth proportional to 108,123.11, 149,280.10 and 96,772.92 is: 133,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,123.11 : 149,280.10 = 96,772.92 : x
  2. Step 2: Convert to fraction form
    108,123.11/149,280.10 = 96,772.92/x
  3. Step 3: Cross multiply
    108,123.11x = 149,280.10 × 96,772.92
  4. Step 4: Simplify right side
    108,123.11x = 14,446,271,174.89
  5. Step 5: Solve for x
    x = 14,446,271,174.89/108,123.11
  6. Step 6: Final answer
    x = 133,609.47

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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.