Home / 108,372.36-149,525.04-74,391.24

Finding the Fourth Proportional to 108,372.36, 149,525.04 and 74,391.24

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Solution

The fourth proportional to 108,372.36, 149,525.04 and 74,391.24 is: 102,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,372.36 : 149,525.04 = 74,391.24 : x
  2. Step 2: Convert to fraction form
    108,372.36/149,525.04 = 74,391.24/x
  3. Step 3: Cross multiply
    108,372.36x = 149,525.04 × 74,391.24
  4. Step 4: Simplify right side
    108,372.36x = 11,123,353,136.65
  5. Step 5: Solve for x
    x = 11,123,353,136.65/108,372.36
  6. Step 6: Final answer
    x = 102,640.13

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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.