Home / 221,519.34-332,196.93-79,342.47

Finding the Fourth Proportional to 221,519.34, 332,196.93 and 79,342.47

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Solution

The fourth proportional to 221,519.34, 332,196.93 and 79,342.47 is: 118,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,519.34 : 332,196.93 = 79,342.47 : x
  2. Step 2: Convert to fraction form
    221,519.34/332,196.93 = 79,342.47/x
  3. Step 3: Cross multiply
    221,519.34x = 332,196.93 × 79,342.47
  4. Step 4: Simplify right side
    221,519.34x = 26,357,324,952.62
  5. Step 5: Solve for x
    x = 26,357,324,952.62/221,519.34
  6. Step 6: Final answer
    x = 118,984.31

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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.