Home / 234,157.04-323,137.12-126,727.20

Finding the Fourth Proportional to 234,157.04, 323,137.12 and 126,727.20

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Solution

The fourth proportional to 234,157.04, 323,137.12 and 126,727.20 is: 174,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,157.04 : 323,137.12 = 126,727.20 : x
  2. Step 2: Convert to fraction form
    234,157.04/323,137.12 = 126,727.20/x
  3. Step 3: Cross multiply
    234,157.04x = 323,137.12 × 126,727.20
  4. Step 4: Simplify right side
    234,157.04x = 40,950,262,433.66
  5. Step 5: Solve for x
    x = 40,950,262,433.66/234,157.04
  6. Step 6: Final answer
    x = 174,883.76

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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.