Home / 105,250.12-157,899.99-34,167.28

Finding the Fourth Proportional to 105,250.12, 157,899.99 and 34,167.28

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Solution

The fourth proportional to 105,250.12, 157,899.99 and 34,167.28 is: 51,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,250.12 : 157,899.99 = 34,167.28 : x
  2. Step 2: Convert to fraction form
    105,250.12/157,899.99 = 34,167.28/x
  3. Step 3: Cross multiply
    105,250.12x = 157,899.99 × 34,167.28
  4. Step 4: Simplify right side
    105,250.12x = 5,395,013,170.33
  5. Step 5: Solve for x
    x = 5,395,013,170.33/105,250.12
  6. Step 6: Final answer
    x = 51,258.97

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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.