Home / 149,595.83-206,416.85-89,165.37

Finding the Fourth Proportional to 149,595.83, 206,416.85 and 89,165.37

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Solution

The fourth proportional to 149,595.83, 206,416.85 and 89,165.37 is: 123,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,595.83 : 206,416.85 = 89,165.37 : x
  2. Step 2: Convert to fraction form
    149,595.83/206,416.85 = 89,165.37/x
  3. Step 3: Cross multiply
    149,595.83x = 206,416.85 × 89,165.37
  4. Step 4: Simplify right side
    149,595.83x = 18,405,234,358.66
  5. Step 5: Solve for x
    x = 18,405,234,358.66/149,595.83
  6. Step 6: Final answer
    x = 123,033.08

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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.