Home / 209,961.54-289,518.30-141,860.52

Finding the Fourth Proportional to 209,961.54, 289,518.30 and 141,860.52

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Solution

The fourth proportional to 209,961.54, 289,518.30 and 141,860.52 is: 195,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,961.54 : 289,518.30 = 141,860.52 : x
  2. Step 2: Convert to fraction form
    209,961.54/289,518.30 = 141,860.52/x
  3. Step 3: Cross multiply
    209,961.54x = 289,518.30 × 141,860.52
  4. Step 4: Simplify right side
    209,961.54x = 41,071,216,587.52
  5. Step 5: Solve for x
    x = 41,071,216,587.52/209,961.54
  6. Step 6: Final answer
    x = 195,613.05

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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.