Home / 279,462.15-385,651.67-163,195.59

Finding the Fourth Proportional to 279,462.15, 385,651.67 and 163,195.59

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Solution

The fourth proportional to 279,462.15, 385,651.67 and 163,195.59 is: 225,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,462.15 : 385,651.67 = 163,195.59 : x
  2. Step 2: Convert to fraction form
    279,462.15/385,651.67 = 163,195.59/x
  3. Step 3: Cross multiply
    279,462.15x = 385,651.67 × 163,195.59
  4. Step 4: Simplify right side
    279,462.15x = 62,936,652,450.35
  5. Step 5: Solve for x
    x = 62,936,652,450.35/279,462.15
  6. Step 6: Final answer
    x = 225,206.36

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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.