Home / 279,025.74-384,404.58-193,995.18

Finding the Fourth Proportional to 279,025.74, 384,404.58 and 193,995.18

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Solution

The fourth proportional to 279,025.74, 384,404.58 and 193,995.18 is: 267,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,025.74 : 384,404.58 = 193,995.18 : x
  2. Step 2: Convert to fraction form
    279,025.74/384,404.58 = 193,995.18/x
  3. Step 3: Cross multiply
    279,025.74x = 384,404.58 × 193,995.18
  4. Step 4: Simplify right side
    279,025.74x = 74,572,635,689.92
  5. Step 5: Solve for x
    x = 74,572,635,689.92/279,025.74
  6. Step 6: Final answer
    x = 267,260.78

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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.