Home / 279,029.49-384,409.76-193,998.93

Finding the Fourth Proportional to 279,029.49, 384,409.76 and 193,998.93

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Solution

The fourth proportional to 279,029.49, 384,409.76 and 193,998.93 is: 267,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,029.49 : 384,409.76 = 193,998.93 : x
  2. Step 2: Convert to fraction form
    279,029.49/384,409.76 = 193,998.93/x
  3. Step 3: Cross multiply
    279,029.49x = 384,409.76 × 193,998.93
  4. Step 4: Simplify right side
    279,029.49x = 74,575,081,151.56
  5. Step 5: Solve for x
    x = 74,575,081,151.56/279,029.49
  6. Step 6: Final answer
    x = 267,265.95

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1.5x scale

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.