Home / 192,331.80-288,436.14-64,220.58

Finding the Fourth Proportional to 192,331.80, 288,436.14 and 64,220.58

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Solution

The fourth proportional to 192,331.80, 288,436.14 and 64,220.58 is: 96,310.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,331.80 : 288,436.14 = 64,220.58 : x
  2. Step 2: Convert to fraction form
    192,331.80/288,436.14 = 64,220.58/x
  3. Step 3: Cross multiply
    192,331.80x = 288,436.14 × 64,220.58
  4. Step 4: Simplify right side
    192,331.80x = 18,523,536,203.76
  5. Step 5: Solve for x
    x = 18,523,536,203.76/192,331.80
  6. Step 6: Final answer
    x = 96,310.31

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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.