Home / 215,914.04-323,866.20-97,553.60

Finding the Fourth Proportional to 215,914.04, 323,866.20 and 97,553.60

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Solution

The fourth proportional to 215,914.04, 323,866.20 and 97,553.60 is: 146,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,914.04 : 323,866.20 = 97,553.60 : x
  2. Step 2: Convert to fraction form
    215,914.04/323,866.20 = 97,553.60/x
  3. Step 3: Cross multiply
    215,914.04x = 323,866.20 × 97,553.60
  4. Step 4: Simplify right side
    215,914.04x = 31,594,313,728.32
  5. Step 5: Solve for x
    x = 31,594,313,728.32/215,914.04
  6. Step 6: Final answer
    x = 146,328.20

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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.