Home / 219,124.40-329,032.20-125,812.40

Finding the Fourth Proportional to 219,124.40, 329,032.20 and 125,812.40

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Solution

The fourth proportional to 219,124.40, 329,032.20 and 125,812.40 is: 188,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,124.40 : 329,032.20 = 125,812.40 : x
  2. Step 2: Convert to fraction form
    219,124.40/329,032.20 = 125,812.40/x
  3. Step 3: Cross multiply
    219,124.40x = 329,032.20 × 125,812.40
  4. Step 4: Simplify right side
    219,124.40x = 41,396,330,759.28
  5. Step 5: Solve for x
    x = 41,396,330,759.28/219,124.40
  6. Step 6: Final answer
    x = 188,917.03

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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.