Home / 163,676.20-245,465.70-63,778.90

Finding the Fourth Proportional to 163,676.20, 245,465.70 and 63,778.90

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Solution

The fourth proportional to 163,676.20, 245,465.70 and 63,778.90 is: 95,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,676.20 : 245,465.70 = 63,778.90 : x
  2. Step 2: Convert to fraction form
    163,676.20/245,465.70 = 63,778.90/x
  3. Step 3: Cross multiply
    163,676.20x = 245,465.70 × 63,778.90
  4. Step 4: Simplify right side
    163,676.20x = 15,655,532,333.73
  5. Step 5: Solve for x
    x = 15,655,532,333.73/163,676.20
  6. Step 6: Final answer
    x = 95,649.41

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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.