Home / 126,910.64-175,137.72-70,322.96

Finding the Fourth Proportional to 126,910.64, 175,137.72 and 70,322.96

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Solution

The fourth proportional to 126,910.64, 175,137.72 and 70,322.96 is: 97,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,910.64 : 175,137.72 = 70,322.96 : x
  2. Step 2: Convert to fraction form
    126,910.64/175,137.72 = 70,322.96/x
  3. Step 3: Cross multiply
    126,910.64x = 175,137.72 × 70,322.96
  4. Step 4: Simplify right side
    126,910.64x = 12,316,202,878.05
  5. Step 5: Solve for x
    x = 12,316,202,878.05/126,910.64
  6. Step 6: Final answer
    x = 97,046.26

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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.