Home / 149,417.00-206,189.45-81,432.52

Finding the Fourth Proportional to 149,417.00, 206,189.45 and 81,432.52

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Solution

The fourth proportional to 149,417.00, 206,189.45 and 81,432.52 is: 112,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,417.00 : 206,189.45 = 81,432.52 : x
  2. Step 2: Convert to fraction form
    149,417.00/206,189.45 = 81,432.52/x
  3. Step 3: Cross multiply
    149,417.00x = 206,189.45 × 81,432.52
  4. Step 4: Simplify right side
    149,417.00x = 16,790,525,072.80
  5. Step 5: Solve for x
    x = 16,790,525,072.80/149,417.00
  6. Step 6: Final answer
    x = 112,373.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.