Home / 163,801.11-245,703.05-45,481.68

Finding the Fourth Proportional to 163,801.11, 245,703.05 and 45,481.68

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Solution

The fourth proportional to 163,801.11, 245,703.05 and 45,481.68 is: 68,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,801.11 : 245,703.05 = 45,481.68 : x
  2. Step 2: Convert to fraction form
    163,801.11/245,703.05 = 45,481.68/x
  3. Step 3: Cross multiply
    163,801.11x = 245,703.05 × 45,481.68
  4. Step 4: Simplify right side
    163,801.11x = 11,174,987,267.72
  5. Step 5: Solve for x
    x = 11,174,987,267.72/163,801.11
  6. Step 6: Final answer
    x = 68,222.90

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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.