Home / 144,628.80-199,611.63-99,269.52

Finding the Fourth Proportional to 144,628.80, 199,611.63 and 99,269.52

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Solution

The fourth proportional to 144,628.80, 199,611.63 and 99,269.52 is: 137,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,628.80 : 199,611.63 = 99,269.52 : x
  2. Step 2: Convert to fraction form
    144,628.80/199,611.63 = 99,269.52/x
  3. Step 3: Cross multiply
    144,628.80x = 199,611.63 × 99,269.52
  4. Step 4: Simplify right side
    144,628.80x = 19,815,350,696.52
  5. Step 5: Solve for x
    x = 19,815,350,696.52/144,628.80
  6. Step 6: Final answer
    x = 137,008.33

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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.