Home / 219,186.54-302,477.49-123,713.46

Finding the Fourth Proportional to 219,186.54, 302,477.49 and 123,713.46

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Solution

The fourth proportional to 219,186.54, 302,477.49 and 123,713.46 is: 170,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,186.54 : 302,477.49 = 123,713.46 : x
  2. Step 2: Convert to fraction form
    219,186.54/302,477.49 = 123,713.46/x
  3. Step 3: Cross multiply
    219,186.54x = 302,477.49 × 123,713.46
  4. Step 4: Simplify right side
    219,186.54x = 37,420,536,860.02
  5. Step 5: Solve for x
    x = 37,420,536,860.02/219,186.54
  6. Step 6: Final answer
    x = 170,724.61

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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.