Home / 283,834.04-391,682.59-156,509.60

Finding the Fourth Proportional to 283,834.04, 391,682.59 and 156,509.60

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Solution

The fourth proportional to 283,834.04, 391,682.59 and 156,509.60 is: 215,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,834.04 : 391,682.59 = 156,509.60 : x
  2. Step 2: Convert to fraction form
    283,834.04/391,682.59 = 156,509.60/x
  3. Step 3: Cross multiply
    283,834.04x = 391,682.59 × 156,509.60
  4. Step 4: Simplify right side
    283,834.04x = 61,302,083,138.18
  5. Step 5: Solve for x
    x = 61,302,083,138.18/283,834.04
  6. Step 6: Final answer
    x = 215,978.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.