Home / 108,320.45-149,431.82-70,092.32

Finding the Fourth Proportional to 108,320.45, 149,431.82 and 70,092.32

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Solution

The fourth proportional to 108,320.45, 149,431.82 and 70,092.32 is: 96,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,320.45 : 149,431.82 = 70,092.32 : x
  2. Step 2: Convert to fraction form
    108,320.45/149,431.82 = 70,092.32/x
  3. Step 3: Cross multiply
    108,320.45x = 149,431.82 × 70,092.32
  4. Step 4: Simplify right side
    108,320.45x = 10,474,021,848.00
  5. Step 5: Solve for x
    x = 10,474,021,848.00/108,320.45
  6. Step 6: Final answer
    x = 96,694.78

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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.