Home / 144,276.51-199,101.16-80,614.36

Finding the Fourth Proportional to 144,276.51, 199,101.16 and 80,614.36

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Solution

The fourth proportional to 144,276.51, 199,101.16 and 80,614.36 is: 111,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,276.51 : 199,101.16 = 80,614.36 : x
  2. Step 2: Convert to fraction form
    144,276.51/199,101.16 = 80,614.36/x
  3. Step 3: Cross multiply
    144,276.51x = 199,101.16 × 80,614.36
  4. Step 4: Simplify right side
    144,276.51x = 16,050,412,045.09
  5. Step 5: Solve for x
    x = 16,050,412,045.09/144,276.51
  6. Step 6: Final answer
    x = 111,247.58

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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.