Home / 149,826.26-206,752.32-81,842.27

Finding the Fourth Proportional to 149,826.26, 206,752.32 and 81,842.27

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Solution

The fourth proportional to 149,826.26, 206,752.32 and 81,842.27 is: 112,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,826.26 : 206,752.32 = 81,842.27 : x
  2. Step 2: Convert to fraction form
    149,826.26/206,752.32 = 81,842.27/x
  3. Step 3: Cross multiply
    149,826.26x = 206,752.32 × 81,842.27
  4. Step 4: Simplify right side
    149,826.26x = 16,921,078,162.80
  5. Step 5: Solve for x
    x = 16,921,078,162.80/149,826.26
  6. Step 6: Final answer
    x = 112,938.00

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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.