Home / 144,613.22-199,561.79-83,359.60

Finding the Fourth Proportional to 144,613.22, 199,561.79 and 83,359.60

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Solution

The fourth proportional to 144,613.22, 199,561.79 and 83,359.60 is: 115,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,613.22 : 199,561.79 = 83,359.60 : x
  2. Step 2: Convert to fraction form
    144,613.22/199,561.79 = 83,359.60/x
  3. Step 3: Cross multiply
    144,613.22x = 199,561.79 × 83,359.60
  4. Step 4: Simplify right side
    144,613.22x = 16,635,390,699.18
  5. Step 5: Solve for x
    x = 16,635,390,699.18/144,613.22
  6. Step 6: Final answer
    x = 115,033.68

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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.