Home / 144,886.38-199,943.07-81,224.19

Finding the Fourth Proportional to 144,886.38, 199,943.07 and 81,224.19

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Solution

The fourth proportional to 144,886.38, 199,943.07 and 81,224.19 is: 112,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,886.38 : 199,943.07 = 81,224.19 : x
  2. Step 2: Convert to fraction form
    144,886.38/199,943.07 = 81,224.19/x
  3. Step 3: Cross multiply
    144,886.38x = 199,943.07 × 81,224.19
  4. Step 4: Simplify right side
    144,886.38x = 16,240,213,906.86
  5. Step 5: Solve for x
    x = 16,240,213,906.86/144,886.38
  6. Step 6: Final answer
    x = 112,089.31

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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.