Home / 149,470.08-206,275.68-89,027.04

Finding the Fourth Proportional to 149,470.08, 206,275.68 and 89,027.04

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Solution

The fourth proportional to 149,470.08, 206,275.68 and 89,027.04 is: 122,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,470.08 : 206,275.68 = 89,027.04 : x
  2. Step 2: Convert to fraction form
    149,470.08/206,275.68 = 89,027.04/x
  3. Step 3: Cross multiply
    149,470.08x = 206,275.68 × 89,027.04
  4. Step 4: Simplify right side
    149,470.08x = 18,364,113,214.39
  5. Step 5: Solve for x
    x = 18,364,113,214.39/149,470.08
  6. Step 6: Final answer
    x = 122,861.47

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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.