Home / 219,397.52-329,109.04-61,638.28

Finding the Fourth Proportional to 219,397.52, 329,109.04 and 61,638.28

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Solution

The fourth proportional to 219,397.52, 329,109.04 and 61,638.28 is: 92,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,397.52 : 329,109.04 = 61,638.28 : x
  2. Step 2: Convert to fraction form
    219,397.52/329,109.04 = 61,638.28/x
  3. Step 3: Cross multiply
    219,397.52x = 329,109.04 × 61,638.28
  4. Step 4: Simplify right side
    219,397.52x = 20,285,715,158.05
  5. Step 5: Solve for x
    x = 20,285,715,158.05/219,397.52
  6. Step 6: Final answer
    x = 92,461.00

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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.