Home / 165,039.30-247,529.68-75,060.93

Finding the Fourth Proportional to 165,039.30, 247,529.68 and 75,060.93

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Solution

The fourth proportional to 165,039.30, 247,529.68 and 75,060.93 is: 112,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,039.30 : 247,529.68 = 75,060.93 : x
  2. Step 2: Convert to fraction form
    165,039.30/247,529.68 = 75,060.93/x
  3. Step 3: Cross multiply
    165,039.30x = 247,529.68 × 75,060.93
  4. Step 4: Simplify right side
    165,039.30x = 18,579,807,608.10
  5. Step 5: Solve for x
    x = 18,579,807,608.10/165,039.30
  6. Step 6: Final answer
    x = 112,578.08

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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.