Home / 283,629.45-391,428.01-173,295.34

Finding the Fourth Proportional to 283,629.45, 391,428.01 and 173,295.34

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Solution

The fourth proportional to 283,629.45, 391,428.01 and 173,295.34 is: 239,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,629.45 : 391,428.01 = 173,295.34 : x
  2. Step 2: Convert to fraction form
    283,629.45/391,428.01 = 173,295.34/x
  3. Step 3: Cross multiply
    283,629.45x = 391,428.01 × 173,295.34
  4. Step 4: Simplify right side
    283,629.45x = 67,832,648,991.59
  5. Step 5: Solve for x
    x = 67,832,648,991.59/283,629.45
  6. Step 6: Final answer
    x = 239,159.40

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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.