Home / 163,861.12-245,790.06-75,089.44

Finding the Fourth Proportional to 163,861.12, 245,790.06 and 75,089.44

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Solution

The fourth proportional to 163,861.12, 245,790.06 and 75,089.44 is: 112,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,861.12 : 245,790.06 = 75,089.44 : x
  2. Step 2: Convert to fraction form
    163,861.12/245,790.06 = 75,089.44/x
  3. Step 3: Cross multiply
    163,861.12x = 245,790.06 × 75,089.44
  4. Step 4: Simplify right side
    163,861.12x = 18,456,237,962.97
  5. Step 5: Solve for x
    x = 18,456,237,962.97/163,861.12
  6. Step 6: Final answer
    x = 112,633.42

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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.