Home / 144,620.40-199,570.32-84,192.78

Finding the Fourth Proportional to 144,620.40, 199,570.32 and 84,192.78

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Solution

The fourth proportional to 144,620.40, 199,570.32 and 84,192.78 is: 116,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,620.40 : 199,570.32 = 84,192.78 : x
  2. Step 2: Convert to fraction form
    144,620.40/199,570.32 = 84,192.78/x
  3. Step 3: Cross multiply
    144,620.40x = 199,570.32 × 84,192.78
  4. Step 4: Simplify right side
    144,620.40x = 16,802,380,046.29
  5. Step 5: Solve for x
    x = 16,802,380,046.29/144,620.40
  6. Step 6: Final answer
    x = 116,182.64

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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.