Home / 358,535.50-494,760.20-197,359.07

Finding the Fourth Proportional to 358,535.50, 494,760.20 and 197,359.07

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Solution

The fourth proportional to 358,535.50, 494,760.20 and 197,359.07 is: 272,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,535.50 : 494,760.20 = 197,359.07 : x
  2. Step 2: Convert to fraction form
    358,535.50/494,760.20 = 197,359.07/x
  3. Step 3: Cross multiply
    358,535.50x = 494,760.20 × 197,359.07
  4. Step 4: Simplify right side
    358,535.50x = 97,645,409,484.42
  5. Step 5: Solve for x
    x = 97,645,409,484.42/358,535.50
  6. Step 6: Final answer
    x = 272,345.17

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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.