Home / 215,883.20-323,727.60-97,493.60

Finding the Fourth Proportional to 215,883.20, 323,727.60 and 97,493.60

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Solution

The fourth proportional to 215,883.20, 323,727.60 and 97,493.60 is: 146,196.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,883.20 : 323,727.60 = 97,493.60 : x
  2. Step 2: Convert to fraction form
    215,883.20/323,727.60 = 97,493.60/x
  3. Step 3: Cross multiply
    215,883.20x = 323,727.60 × 97,493.60
  4. Step 4: Simplify right side
    215,883.20x = 31,561,369,143.36
  5. Step 5: Solve for x
    x = 31,561,369,143.36/215,883.20
  6. Step 6: Final answer
    x = 146,196.50

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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.