Home / 356,324.28-491,708.30-195,148.76

Finding the Fourth Proportional to 356,324.28, 491,708.30 and 195,148.76

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Solution

The fourth proportional to 356,324.28, 491,708.30 and 195,148.76 is: 269,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,324.28 : 491,708.30 = 195,148.76 : x
  2. Step 2: Convert to fraction form
    356,324.28/491,708.30 = 195,148.76/x
  3. Step 3: Cross multiply
    356,324.28x = 491,708.30 × 195,148.76
  4. Step 4: Simplify right side
    356,324.28x = 95,956,265,026.71
  5. Step 5: Solve for x
    x = 95,956,265,026.71/356,324.28
  6. Step 6: Final answer
    x = 269,294.77

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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.