Home / 358,235.13-494,364.45-197,086.71

Finding the Fourth Proportional to 358,235.13, 494,364.45 and 197,086.71

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Solution

The fourth proportional to 358,235.13, 494,364.45 and 197,086.71 is: 271,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,235.13 : 494,364.45 = 197,086.71 : x
  2. Step 2: Convert to fraction form
    358,235.13/494,364.45 = 197,086.71/x
  3. Step 3: Cross multiply
    358,235.13x = 494,364.45 × 197,086.71
  4. Step 4: Simplify right side
    358,235.13x = 97,432,662,991.46
  5. Step 5: Solve for x
    x = 97,432,662,991.46/358,235.13
  6. Step 6: Final answer
    x = 271,979.64

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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.