Home / 269,460.75-404,189.51-69,780.63

Finding the Fourth Proportional to 269,460.75, 404,189.51 and 69,780.63

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Solution

The fourth proportional to 269,460.75, 404,189.51 and 69,780.63 is: 104,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,460.75 : 404,189.51 = 69,780.63 : x
  2. Step 2: Convert to fraction form
    269,460.75/404,189.51 = 69,780.63/x
  3. Step 3: Cross multiply
    269,460.75x = 404,189.51 × 69,780.63
  4. Step 4: Simplify right side
    269,460.75x = 28,204,598,298.29
  5. Step 5: Solve for x
    x = 28,204,598,298.29/269,460.75
  6. Step 6: Final answer
    x = 104,670.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.