Home / 108,395.94-149,604.10-74,376.35

Finding the Fourth Proportional to 108,395.94, 149,604.10 and 74,376.35

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Solution

The fourth proportional to 108,395.94, 149,604.10 and 74,376.35 is: 102,651.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,395.94 : 149,604.10 = 74,376.35 : x
  2. Step 2: Convert to fraction form
    108,395.94/149,604.10 = 74,376.35/x
  3. Step 3: Cross multiply
    108,395.94x = 149,604.10 × 74,376.35
  4. Step 4: Simplify right side
    108,395.94x = 11,127,006,714.97
  5. Step 5: Solve for x
    x = 11,127,006,714.97/108,395.94
  6. Step 6: Final answer
    x = 102,651.51

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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.