Home / 283,366.53-391,037.26-156,042.81

Finding the Fourth Proportional to 283,366.53, 391,037.26 and 156,042.81

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Solution

The fourth proportional to 283,366.53, 391,037.26 and 156,042.81 is: 215,334.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,366.53 : 391,037.26 = 156,042.81 : x
  2. Step 2: Convert to fraction form
    283,366.53/391,037.26 = 156,042.81/x
  3. Step 3: Cross multiply
    283,366.53x = 391,037.26 × 156,042.81
  4. Step 4: Simplify right side
    283,366.53x = 61,018,552,865.10
  5. Step 5: Solve for x
    x = 61,018,552,865.10/283,366.53
  6. Step 6: Final answer
    x = 215,334.37

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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.