Home / 109,438.09-164,077.20-73,810.85

Finding the Fourth Proportional to 109,438.09, 164,077.20 and 73,810.85

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Solution

The fourth proportional to 109,438.09, 164,077.20 and 73,810.85 is: 110,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,438.09 : 164,077.20 = 73,810.85 : x
  2. Step 2: Convert to fraction form
    109,438.09/164,077.20 = 73,810.85/x
  3. Step 3: Cross multiply
    109,438.09x = 164,077.20 × 73,810.85
  4. Step 4: Simplify right side
    109,438.09x = 12,110,677,597.62
  5. Step 5: Solve for x
    x = 12,110,677,597.62/109,438.09
  6. Step 6: Final answer
    x = 110,662.36

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1.5x scale

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.