Home / 230,961.60-346,442.40-218,059.20

Finding the Fourth Proportional to 230,961.60, 346,442.40 and 218,059.20

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Solution

The fourth proportional to 230,961.60, 346,442.40 and 218,059.20 is: 327,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,961.60 : 346,442.40 = 218,059.20 : x
  2. Step 2: Convert to fraction form
    230,961.60/346,442.40 = 218,059.20/x
  3. Step 3: Cross multiply
    230,961.60x = 346,442.40 × 218,059.20
  4. Step 4: Simplify right side
    230,961.60x = 75,544,952,590.08
  5. Step 5: Solve for x
    x = 75,544,952,590.08/230,961.60
  6. Step 6: Final answer
    x = 327,088.80

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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.