Home / 165,519.76-248,280.18-40,860.76

Finding the Fourth Proportional to 165,519.76, 248,280.18 and 40,860.76

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Solution

The fourth proportional to 165,519.76, 248,280.18 and 40,860.76 is: 61,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,519.76 : 248,280.18 = 40,860.76 : x
  2. Step 2: Convert to fraction form
    165,519.76/248,280.18 = 40,860.76/x
  3. Step 3: Cross multiply
    165,519.76x = 248,280.18 × 40,860.76
  4. Step 4: Simplify right side
    165,519.76x = 10,144,916,847.74
  5. Step 5: Solve for x
    x = 10,144,916,847.74/165,519.76
  6. Step 6: Final answer
    x = 61,291.27

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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.