Home / 164,538.45-246,643.65-75,636.90

Finding the Fourth Proportional to 164,538.45, 246,643.65 and 75,636.90

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Solution

The fourth proportional to 164,538.45, 246,643.65 and 75,636.90 is: 113,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,538.45 : 246,643.65 = 75,636.90 : x
  2. Step 2: Convert to fraction form
    164,538.45/246,643.65 = 75,636.90/x
  3. Step 3: Cross multiply
    164,538.45x = 246,643.65 × 75,636.90
  4. Step 4: Simplify right side
    164,538.45x = 18,655,361,090.69
  5. Step 5: Solve for x
    x = 18,655,361,090.69/164,538.45
  6. Step 6: Final answer
    x = 113,379.95

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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.