Home / 149,620.65-206,480.57-89,196.27

Finding the Fourth Proportional to 149,620.65, 206,480.57 and 89,196.27

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Solution

The fourth proportional to 149,620.65, 206,480.57 and 89,196.27 is: 123,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,620.65 : 206,480.57 = 89,196.27 : x
  2. Step 2: Convert to fraction form
    149,620.65/206,480.57 = 89,196.27/x
  3. Step 3: Cross multiply
    149,620.65x = 206,480.57 × 89,196.27
  4. Step 4: Simplify right side
    149,620.65x = 18,417,296,671.47
  5. Step 5: Solve for x
    x = 18,417,296,671.47/149,620.65
  6. Step 6: Final answer
    x = 123,093.28

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1.5x scale

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.