Home / 219,229.07-327,893.67-129,056.90

Finding the Fourth Proportional to 219,229.07, 327,893.67 and 129,056.90

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Solution

The fourth proportional to 219,229.07, 327,893.67 and 129,056.90 is: 193,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,229.07 : 327,893.67 = 129,056.90 : x
  2. Step 2: Convert to fraction form
    219,229.07/327,893.67 = 129,056.90/x
  3. Step 3: Cross multiply
    219,229.07x = 327,893.67 × 129,056.90
  4. Step 4: Simplify right side
    219,229.07x = 42,316,938,940.35
  5. Step 5: Solve for x
    x = 42,316,938,940.35/219,229.07
  6. Step 6: Final answer
    x = 193,026.13

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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.