Home / 219,275.19-329,013.22-119,285.55

Finding the Fourth Proportional to 219,275.19, 329,013.22 and 119,285.55

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Solution

The fourth proportional to 219,275.19, 329,013.22 and 119,285.55 is: 178,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,275.19 : 329,013.22 = 119,285.55 : x
  2. Step 2: Convert to fraction form
    219,275.19/329,013.22 = 119,285.55/x
  3. Step 3: Cross multiply
    219,275.19x = 329,013.22 × 119,285.55
  4. Step 4: Simplify right side
    219,275.19x = 39,246,522,904.97
  5. Step 5: Solve for x
    x = 39,246,522,904.97/219,275.19
  6. Step 6: Final answer
    x = 178,982.96

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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.