Home / 219,622.07-303,076.31-122,824.85

Finding the Fourth Proportional to 219,622.07, 303,076.31 and 122,824.85

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Solution

The fourth proportional to 219,622.07, 303,076.31 and 122,824.85 is: 169,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,622.07 : 303,076.31 = 122,824.85 : x
  2. Step 2: Convert to fraction form
    219,622.07/303,076.31 = 122,824.85/x
  3. Step 3: Cross multiply
    219,622.07x = 303,076.31 × 122,824.85
  4. Step 4: Simplify right side
    219,622.07x = 37,225,300,184.80
  5. Step 5: Solve for x
    x = 37,225,300,184.80/219,622.07
  6. Step 6: Final answer
    x = 169,497.08

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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.