Home / 256,528.38-354,108.15-229,623.42

Finding the Fourth Proportional to 256,528.38, 354,108.15 and 229,623.42

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Solution

The fourth proportional to 256,528.38, 354,108.15 and 229,623.42 is: 316,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,528.38 : 354,108.15 = 229,623.42 : x
  2. Step 2: Convert to fraction form
    256,528.38/354,108.15 = 229,623.42/x
  3. Step 3: Cross multiply
    256,528.38x = 354,108.15 × 229,623.42
  4. Step 4: Simplify right side
    256,528.38x = 81,311,524,452.87
  5. Step 5: Solve for x
    x = 81,311,524,452.87/256,528.38
  6. Step 6: Final answer
    x = 316,968.92

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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.