Home / 283,568.08-391,341.42-156,243.64

Finding the Fourth Proportional to 283,568.08, 391,341.42 and 156,243.64

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Solution

The fourth proportional to 283,568.08, 391,341.42 and 156,243.64 is: 215,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,568.08 : 391,341.42 = 156,243.64 : x
  2. Step 2: Convert to fraction form
    283,568.08/391,341.42 = 156,243.64/x
  3. Step 3: Cross multiply
    283,568.08x = 391,341.42 × 156,243.64
  4. Step 4: Simplify right side
    283,568.08x = 61,144,607,943.57
  5. Step 5: Solve for x
    x = 61,144,607,943.57/283,568.08
  6. Step 6: Final answer
    x = 215,625.85

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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.