Home / 279,196.68-418,797.22-79,516.76

Finding the Fourth Proportional to 279,196.68, 418,797.22 and 79,516.76

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Solution

The fourth proportional to 279,196.68, 418,797.22 and 79,516.76 is: 119,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,196.68 : 418,797.22 = 79,516.76 : x
  2. Step 2: Convert to fraction form
    279,196.68/418,797.22 = 79,516.76/x
  3. Step 3: Cross multiply
    279,196.68x = 418,797.22 × 79,516.76
  4. Step 4: Simplify right side
    279,196.68x = 33,301,398,031.41
  5. Step 5: Solve for x
    x = 33,301,398,031.41/279,196.68
  6. Step 6: Final answer
    x = 119,275.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.