Home / 172,910.40-238,615.88-96,429.58

Finding the Fourth Proportional to 172,910.40, 238,615.88 and 96,429.58

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Solution

The fourth proportional to 172,910.40, 238,615.88 and 96,429.58 is: 133,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,910.40 : 238,615.88 = 96,429.58 : x
  2. Step 2: Convert to fraction form
    172,910.40/238,615.88 = 96,429.58/x
  3. Step 3: Cross multiply
    172,910.40x = 238,615.88 × 96,429.58
  4. Step 4: Simplify right side
    172,910.40x = 23,009,628,011.04
  5. Step 5: Solve for x
    x = 23,009,628,011.04/172,910.40
  6. Step 6: Final answer
    x = 133,072.55

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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.