Home / 369,493.10-509,900.26-199,727.23

Finding the Fourth Proportional to 369,493.10, 509,900.26 and 199,727.23

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Solution

The fourth proportional to 369,493.10, 509,900.26 and 199,727.23 is: 275,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,493.10 : 509,900.26 = 199,727.23 : x
  2. Step 2: Convert to fraction form
    369,493.10/509,900.26 = 199,727.23/x
  3. Step 3: Cross multiply
    369,493.10x = 509,900.26 × 199,727.23
  4. Step 4: Simplify right side
    369,493.10x = 101,840,964,732.01
  5. Step 5: Solve for x
    x = 101,840,964,732.01/369,493.10
  6. Step 6: Final answer
    x = 275,623.45

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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.