Home / 192,456.45-288,602.10-66,109.41

Finding the Fourth Proportional to 192,456.45, 288,602.10 and 66,109.41

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Solution

The fourth proportional to 192,456.45, 288,602.10 and 66,109.41 is: 99,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456.45 : 288,602.10 = 66,109.41 : x
  2. Step 2: Convert to fraction form
    192,456.45/288,602.10 = 66,109.41/x
  3. Step 3: Cross multiply
    192,456.45x = 288,602.10 × 66,109.41
  4. Step 4: Simplify right side
    192,456.45x = 19,079,314,555.76
  5. Step 5: Solve for x
    x = 19,079,314,555.76/192,456.45
  6. Step 6: Final answer
    x = 99,135.75

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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.