Home / 144,890.13-199,948.25-81,227.94

Finding the Fourth Proportional to 144,890.13, 199,948.25 and 81,227.94

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Solution

The fourth proportional to 144,890.13, 199,948.25 and 81,227.94 is: 112,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,890.13 : 199,948.25 = 81,227.94 : x
  2. Step 2: Convert to fraction form
    144,890.13/199,948.25 = 81,227.94/x
  3. Step 3: Cross multiply
    144,890.13x = 199,948.25 × 81,227.94
  4. Step 4: Simplify right side
    144,890.13x = 16,241,384,047.97
  5. Step 5: Solve for x
    x = 16,241,384,047.97/144,890.13
  6. Step 6: Final answer
    x = 112,094.48

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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.