Home / 149,535.01-206,359.93-81,551.43

Finding the Fourth Proportional to 149,535.01, 206,359.93 and 81,551.43

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Solution

The fourth proportional to 149,535.01, 206,359.93 and 81,551.43 is: 112,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,535.01 : 206,359.93 = 81,551.43 : x
  2. Step 2: Convert to fraction form
    149,535.01/206,359.93 = 81,551.43/x
  3. Step 3: Cross multiply
    149,535.01x = 206,359.93 × 81,551.43
  4. Step 4: Simplify right side
    149,535.01x = 16,828,947,839.16
  5. Step 5: Solve for x
    x = 16,828,947,839.16/149,535.01
  6. Step 6: Final answer
    x = 112,541.86

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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.