Home / 163,870.03-245,833.14-75,131.14

Finding the Fourth Proportional to 163,870.03, 245,833.14 and 75,131.14

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Solution

The fourth proportional to 163,870.03, 245,833.14 and 75,131.14 is: 112,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,870.03 : 245,833.14 = 75,131.14 : x
  2. Step 2: Convert to fraction form
    163,870.03/245,833.14 = 75,131.14/x
  3. Step 3: Cross multiply
    163,870.03x = 245,833.14 × 75,131.14
  4. Step 4: Simplify right side
    163,870.03x = 18,469,724,057.98
  5. Step 5: Solve for x
    x = 18,469,724,057.98/163,870.03
  6. Step 6: Final answer
    x = 112,709.59

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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.