Home / 144,199.14-199,006.40-79,674.00

Finding the Fourth Proportional to 144,199.14, 199,006.40 and 79,674.00

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Solution

The fourth proportional to 144,199.14, 199,006.40 and 79,674.00 is: 109,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,199.14 : 199,006.40 = 79,674.00 : x
  2. Step 2: Convert to fraction form
    144,199.14/199,006.40 = 79,674.00/x
  3. Step 3: Cross multiply
    144,199.14x = 199,006.40 × 79,674.00
  4. Step 4: Simplify right side
    144,199.14x = 15,855,635,366.51
  5. Step 5: Solve for x
    x = 15,855,635,366.51/144,199.14
  6. Step 6: Final answer
    x = 109,956.52

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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.