Home / 126,815.09-190,226.13-38,068.62

Finding the Fourth Proportional to 126,815.09, 190,226.13 and 38,068.62

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Solution

The fourth proportional to 126,815.09, 190,226.13 and 38,068.62 is: 57,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,815.09 : 190,226.13 = 38,068.62 : x
  2. Step 2: Convert to fraction form
    126,815.09/190,226.13 = 38,068.62/x
  3. Step 3: Cross multiply
    126,815.09x = 190,226.13 × 38,068.62
  4. Step 4: Simplify right side
    126,815.09x = 7,241,646,066.70
  5. Step 5: Solve for x
    x = 7,241,646,066.70/126,815.09
  6. Step 6: Final answer
    x = 57,103.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.