Home / 234,531.20-351,834.16-84,756.32

Finding the Fourth Proportional to 234,531.20, 351,834.16 and 84,756.32

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Solution

The fourth proportional to 234,531.20, 351,834.16 and 84,756.32 is: 127,147.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,531.20 : 351,834.16 = 84,756.32 : x
  2. Step 2: Convert to fraction form
    234,531.20/351,834.16 = 84,756.32/x
  3. Step 3: Cross multiply
    234,531.20x = 351,834.16 × 84,756.32
  4. Step 4: Simplify right side
    234,531.20x = 29,820,168,651.89
  5. Step 5: Solve for x
    x = 29,820,168,651.89/234,531.20
  6. Step 6: Final answer
    x = 127,147.98

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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.