Home / 144,674.24-199,644.93-81,008.84

Finding the Fourth Proportional to 144,674.24, 199,644.93 and 81,008.84

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Solution

The fourth proportional to 144,674.24, 199,644.93 and 81,008.84 is: 111,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,674.24 : 199,644.93 = 81,008.84 : x
  2. Step 2: Convert to fraction form
    144,674.24/199,644.93 = 81,008.84/x
  3. Step 3: Cross multiply
    144,674.24x = 199,644.93 × 81,008.84
  4. Step 4: Simplify right side
    144,674.24x = 16,173,003,192.96
  5. Step 5: Solve for x
    x = 16,173,003,192.96/144,674.24
  6. Step 6: Final answer
    x = 111,789.10

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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.