Home / 219,208.40-329,158.20-125,896.40

Finding the Fourth Proportional to 219,208.40, 329,158.20 and 125,896.40

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Solution

The fourth proportional to 219,208.40, 329,158.20 and 125,896.40 is: 189,043.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,208.40 : 329,158.20 = 125,896.40 : x
  2. Step 2: Convert to fraction form
    219,208.40/329,158.20 = 125,896.40/x
  3. Step 3: Cross multiply
    219,208.40x = 329,158.20 × 125,896.40
  4. Step 4: Simplify right side
    219,208.40x = 41,439,832,410.48
  5. Step 5: Solve for x
    x = 41,439,832,410.48/219,208.40
  6. Step 6: Final answer
    x = 189,043.09

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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.