Home / 157,016.12-235,383.84-57,105.90

Finding the Fourth Proportional to 157,016.12, 235,383.84 and 57,105.90

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Solution

The fourth proportional to 157,016.12, 235,383.84 and 57,105.90 is: 85,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,016.12 : 235,383.84 = 57,105.90 : x
  2. Step 2: Convert to fraction form
    157,016.12/235,383.84 = 57,105.90/x
  3. Step 3: Cross multiply
    157,016.12x = 235,383.84 × 57,105.90
  4. Step 4: Simplify right side
    157,016.12x = 13,441,806,028.66
  5. Step 5: Solve for x
    x = 13,441,806,028.66/157,016.12
  6. Step 6: Final answer
    x = 85,607.81

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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.