Home / 215,899.04-323,843.70-97,538.60

Finding the Fourth Proportional to 215,899.04, 323,843.70 and 97,538.60

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Solution

The fourth proportional to 215,899.04, 323,843.70 and 97,538.60 is: 146,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,899.04 : 323,843.70 = 97,538.60 : x
  2. Step 2: Convert to fraction form
    215,899.04/323,843.70 = 97,538.60/x
  3. Step 3: Cross multiply
    215,899.04x = 323,843.70 × 97,538.60
  4. Step 4: Simplify right side
    215,899.04x = 31,587,261,116.82
  5. Step 5: Solve for x
    x = 31,587,261,116.82/215,899.04
  6. Step 6: Final answer
    x = 146,305.70

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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.