Home / 357,316.20-535,770.18-146,781

Finding the Fourth Proportional to 357,316.20, 535,770.18 and 146,781

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Solution

The fourth proportional to 357,316.20, 535,770.18 and 146,781 is: 220,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,316.20 : 535,770.18 = 146,781 : x
  2. Step 2: Convert to fraction form
    357,316.20/535,770.18 = 146,781/x
  3. Step 3: Cross multiply
    357,316.20x = 535,770.18 × 146,781
  4. Step 4: Simplify right side
    357,316.20x = 78,640,882,790.58
  5. Step 5: Solve for x
    x = 78,640,882,790.58/357,316.20
  6. Step 6: Final answer
    x = 220,087.65

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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.