Home / 149,535.05-206,356.88-85,873.30

Finding the Fourth Proportional to 149,535.05, 206,356.88 and 85,873.30

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Solution

The fourth proportional to 149,535.05, 206,356.88 and 85,873.30 is: 118,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,535.05 : 206,356.88 = 85,873.30 : x
  2. Step 2: Convert to fraction form
    149,535.05/206,356.88 = 85,873.30/x
  3. Step 3: Cross multiply
    149,535.05x = 206,356.88 × 85,873.30
  4. Step 4: Simplify right side
    149,535.05x = 17,720,545,962.10
  5. Step 5: Solve for x
    x = 17,720,545,962.10/149,535.05
  6. Step 6: Final answer
    x = 118,504.30

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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.