Home / 144,582.75-199,500.48-90,829.71

Finding the Fourth Proportional to 144,582.75, 199,500.48 and 90,829.71

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Solution

The fourth proportional to 144,582.75, 199,500.48 and 90,829.71 is: 125,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,582.75 : 199,500.48 = 90,829.71 : x
  2. Step 2: Convert to fraction form
    144,582.75/199,500.48 = 90,829.71/x
  3. Step 3: Cross multiply
    144,582.75x = 199,500.48 × 90,829.71
  4. Step 4: Simplify right side
    144,582.75x = 18,120,570,743.26
  5. Step 5: Solve for x
    x = 18,120,570,743.26/144,582.75
  6. Step 6: Final answer
    x = 125,330.10

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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.