Home / 159,185.08-238,778.70-75,826.36

Finding the Fourth Proportional to 159,185.08, 238,778.70 and 75,826.36

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Solution

The fourth proportional to 159,185.08, 238,778.70 and 75,826.36 is: 113,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,185.08 : 238,778.70 = 75,826.36 : x
  2. Step 2: Convert to fraction form
    159,185.08/238,778.70 = 75,826.36/x
  3. Step 3: Cross multiply
    159,185.08x = 238,778.70 × 75,826.36
  4. Step 4: Simplify right side
    159,185.08x = 18,105,719,666.53
  5. Step 5: Solve for x
    x = 18,105,719,666.53/159,185.08
  6. Step 6: Final answer
    x = 113,740.05

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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.