Home / 317,016.11-437,527.10-196,196.38

Finding the Fourth Proportional to 317,016.11, 437,527.10 and 196,196.38

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Solution

The fourth proportional to 317,016.11, 437,527.10 and 196,196.38 is: 270,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,016.11 : 437,527.10 = 196,196.38 : x
  2. Step 2: Convert to fraction form
    317,016.11/437,527.10 = 196,196.38/x
  3. Step 3: Cross multiply
    317,016.11x = 437,527.10 × 196,196.38
  4. Step 4: Simplify right side
    317,016.11x = 85,841,232,568.57
  5. Step 5: Solve for x
    x = 85,841,232,568.57/317,016.11
  6. Step 6: Final answer
    x = 270,778.77

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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.