Home / 219,945.72-329,915.70-53,735.16

Finding the Fourth Proportional to 219,945.72, 329,915.70 and 53,735.16

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Solution

The fourth proportional to 219,945.72, 329,915.70 and 53,735.16 is: 80,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,945.72 : 329,915.70 = 53,735.16 : x
  2. Step 2: Convert to fraction form
    219,945.72/329,915.70 = 53,735.16/x
  3. Step 3: Cross multiply
    219,945.72x = 329,915.70 × 53,735.16
  4. Step 4: Simplify right side
    219,945.72x = 17,728,072,926.01
  5. Step 5: Solve for x
    x = 17,728,072,926.01/219,945.72
  6. Step 6: Final answer
    x = 80,602.04

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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.