Home / 132,064.20-197,746.38-79,401.24

Finding the Fourth Proportional to 132,064.20, 197,746.38 and 79,401.24

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Solution

The fourth proportional to 132,064.20, 197,746.38 and 79,401.24 is: 118,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,064.20 : 197,746.38 = 79,401.24 : x
  2. Step 2: Convert to fraction form
    132,064.20/197,746.38 = 79,401.24/x
  3. Step 3: Cross multiply
    132,064.20x = 197,746.38 × 79,401.24
  4. Step 4: Simplify right side
    132,064.20x = 15,701,307,777.51
  5. Step 5: Solve for x
    x = 15,701,307,777.51/132,064.20
  6. Step 6: Final answer
    x = 118,891.48

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1.5x scale

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.