Home / 353,228.40-529,842.60-203,929.20

Finding the Fourth Proportional to 353,228.40, 529,842.60 and 203,929.20

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Solution

The fourth proportional to 353,228.40, 529,842.60 and 203,929.20 is: 305,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,228.40 : 529,842.60 = 203,929.20 : x
  2. Step 2: Convert to fraction form
    353,228.40/529,842.60 = 203,929.20/x
  3. Step 3: Cross multiply
    353,228.40x = 529,842.60 × 203,929.20
  4. Step 4: Simplify right side
    353,228.40x = 108,050,377,543.92
  5. Step 5: Solve for x
    x = 108,050,377,543.92/353,228.40
  6. Step 6: Final answer
    x = 305,893.80

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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.