Home / 359,270.20-539,099.70-148,929.40

Finding the Fourth Proportional to 359,270.20, 539,099.70 and 148,929.40

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Solution

The fourth proportional to 359,270.20, 539,099.70 and 148,929.40 is: 223,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,270.20 : 539,099.70 = 148,929.40 : x
  2. Step 2: Convert to fraction form
    359,270.20/539,099.70 = 148,929.40/x
  3. Step 3: Cross multiply
    359,270.20x = 539,099.70 × 148,929.40
  4. Step 4: Simplify right side
    359,270.20x = 80,287,794,861.18
  5. Step 5: Solve for x
    x = 80,287,794,861.18/359,270.20
  6. Step 6: Final answer
    x = 223,474.69

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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.