Home / 234,212.10-351,281.70-65,715.90

Finding the Fourth Proportional to 234,212.10, 351,281.70 and 65,715.90

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Solution

The fourth proportional to 234,212.10, 351,281.70 and 65,715.90 is: 98,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,212.10 : 351,281.70 = 65,715.90 : x
  2. Step 2: Convert to fraction form
    234,212.10/351,281.70 = 65,715.90/x
  3. Step 3: Cross multiply
    234,212.10x = 351,281.70 × 65,715.90
  4. Step 4: Simplify right side
    234,212.10x = 23,084,793,069.03
  5. Step 5: Solve for x
    x = 23,084,793,069.03/234,212.10
  6. Step 6: Final answer
    x = 98,563.62

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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.